[Grouse House Guide] Genetics

Posted 2021-09-02 14:52:55 (edited)

#516317

Genetics

This guide goes into detail on how every aspect of Wolvden's genetics system works, including bases, eyes, and everything else!

You can navigate this post quickly by using the table of contents below.

This guide was last updated August 4, 2023.

Table of Contents

1. Base Genetics

The Base Basics
Base Pass Rates
Special Circumstances
Exact Pass Rate Theories
Every Base with Genetics & Obtention

2. Eye Genetics

Basics & Passing
Every Eye with Fails & Obtention

3. Marking Genetics

Tiers & Rarity
Marking Pass Rates
Combo Markings
Every Marking with Tiers & Obtention

4. Nose, Skin, & Claw Genetics

Every Nose, Skin, & Claw

5. Mutations

Mutation Basics
Hidden Genes & Genetic Mutations
Random Mutations
Lethal Mutations
Every Mutation with Details

Credits/Contact Us

Find links to all of our other guides and resources in our directory post, linked [here].

Search Tags
These tags make the guide easier to find with the forum search.

Bases · Genetics · Cool · Warm · Muted · Monochrome · Special · Tier · Light · Medium · Dark · Rarity · Pass Rate · Combo · Customisation · Eyes · Heterochromia · Markings · Raffle · NBW · Event · RMA · Opacity · Nose · Skin · Claw · Leathers · Mutations · Hidden · Genes · Carrier · Mela · Albino · Primary · Secondary · Random · Lethal · Recessive · Lifespan

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Mel 🏜️
#201

Posted 2021-09-02 14:53:00 (edited)

#516318

Base Genetics

Each base has its own genetics that determine how it passes through breeding. Bases are given three categorizations based on its appearance and rarity. You can view the genetics of a wolf's base on their page, under the Looks section.

The base genetics section of a wolf's page.

"Monochrome Medium II" is the base genetics of the base displayed above, Chert. These are the three categories that the base was assigned, and they can be read in the order of "Colour Shade Rarity".

The percentage in parentheses next to the wolf's base name is the percentage of wolves in the game that also have that base. So, in this screenshot, 0.46% of all wolves in the game have the Chert base.

Colour Groups

There are four main colour groups which most bases will be assigned -- Cool, Muted, Warm, and Monochrome. The categorization is based on the general appearance of the base. There are also Special colour bases, which are categorized as such due to their extra rarity rather than their colour. More details about Special bases are available later in this guide. Breeding similar colours together will help make breeding outcomes more predictable. For example, breeding a Cool base with another Cool base will guarantee that all pups from the breeding will also have Cool bases.

Shades

There are three different shades -- Light, Medium, and Dark. This is based on how "bright" the base appears.

Tiers/Rarities

The final categorization, rarity, will be either I, II, III. This value shows how difficult the base is to obtain. A rarity of I means that it is very common, while a rarity of III means that it is very rare. Special bases do not have rarities in genetics, so their rarity is instead represented by *. Tier I bases are the easiest to breed, and Tier III bases are the most difficult to breed.

Base Pass Rates

When considering the pass rates of bases, it's important to note that base genetics is not a matter of "this base x this base = that base". Rather, the bases that are produced from a breeding are determined by the genetics of the base (the colour group, shade, and rarity) instead of the base itself.

Breeding Bases with Differing Categories

When crossed, some colour groups are less compatible with each other, and end up producing less predictable outcomes. If you would like to have a guaranteed chance to get a certain colour group or shade, make sure to pair wolves together that will produce only those categories.

Below are outlines of the possible outcomes of certain category combos. The separate categories do not affect each other and are all calculated separately. For example, having a Warm base will not affect what shade of base will outcome. These tables do not include specific probabilities of getting each outcome because specifics have not been revealed by developers.

Colour
Cool + Cool	Cool
Cool + Muted	Cool, Muted, Monochrome
Cool + Warm	Cool, Muted, Warm, Monochrome
Cool + Monochrome	Cool, Monochrome
Muted + Muted	Cool, Muted, Warm, Monochrome
Muted + Warm	Muted, Warm, Monochrome
Muted + Monochrome	Muted, Monochrome
Warm + Warm	Warm
Warm + Monochrome	Muted, Warm, Monochrome
Monochrome + Monochrome	Monochrome

Shades
Light + Light	Light
Light + Medium	Light, Medium
Light + Dark	Light, Medium, Dark
Medium + Medium	Light, Medium, Dark
Medium + Dark	Medium, Dark
Dark + Dark	Dark

Rarities
I + I	I
I + II	I, II
I + III	I, II, III
II + II	I, II
II + III	I, II, III
III + III	I, II, III

Special Circumstances

Breeding Bases with Matching Categories

On top of the chances presented with normal genetics, breeding bases with matching categories -- being the same colour group, shade, or rarity -- result in those bases having an additional 25% chance of passing directly to the pup. If the bases bred have the same colour group and shade, but not the same rarity, the additional chance drops based on how far the rarities are apart. If the rarities are one step apart, the additional chance will be 5%, while if the rarities are two steps apart, the chance will be dropped to 0.5%.

For example, if you breed a Warm Medium I base to a Warm Medium III base, there will be an additional 0.5% chance on top of normal pass rates that the pup produced will have the same base as one of their parents. If you breed a Warm Medium II base to a Warm Medium III base, there will be an additional 5% chance for either base to pass directly to the pup. Finally, if you breed two Warm Medium IIIs together, there is an additional 25% chance for the pup to get either of the parents' bases.

This information was originally detailed in a Wolvden Tumblr post about genetics.

Special Bases

Unlike other bases, Special bases can only be obtained through breeding if one of the parents has the same specific Special base. A wolf with a Special base cannot produce any Special base other than its own. Do note that Special bases do not have a rarity, and are not a tier, hence their tier being represented by a *. When this guide refers to "any tier", Special bases are excluded from this. Special bases are completely separate from each other and do not share any overall tier category.

Breeding two different Special bases together has the chance to fail to any colour group and rarity, though the shades of the Special bases are taken into consideration when determining which bases can be produced.

A Special base bred to a base of a different colour group has the chance to either produce that Special base, or any base within the colour group of the other parent. For example, a Special x Cool pairing will fail to Cool bases only.

Below are some other examples of Special base breedings that are possible.

Special Light (Selene) x Special Light (Selene) = Any Light base (any tier or colour), or Selene
Special Light (Selene) x Special Dark (Losna) = Any base (any tier, shade, or colour), or Selene or Losna
Special Light (Selene) x Warm Light III = Any Warm Light base or Selene
Special Medium (Luna) x any Tier I or Tier II base = Any Tier base from the non-special base's colour group, or Luna

You cannot breed any normal bases together to get a Special base. For example, you cannot breed two Tier III bases together to get a Special base. In order to breed a specific Special base, one of the parents must have that specific base.

The only Special bases currently available are obtainable using applicators purchased or obtained during events.

Losna, a Special base.

Mel 🏜️
#201

Posted 2021-09-02 14:53:02 (edited)

#516319

Base Catalogue

The following section lists every single base in the game, including the genetics of the base as well as how the bases are obtained.

Current Base Total: 177

An important note: Every base in the game can be obtained through breeding the right bases together. Just because it doesn't say "Breeding" in this list does not mean it cannot be bred.

If you'd like to see what you need to breed in order to get a certain base, or what may result from a breeding of two bases, check out this Base Calculator.

Detailed explanations of the obtention tags are below.

Customisation: This base can be obtained through Base Changers or the Wolf Customiser.
NBW: This base can be found on basic befriended wolves.
Starter Wolf Creator: This base can be applied to your starter wolves with the starter wolf creator, or added to a rerolled lead wolf.
Breed Only: This base can only be obtained through breeding.
Special NBW: This base can be found on rated befriended wolves.
Crafted Applicator: This base can be applied using a specific applicator obtained through crafting.
Lunar Event Applicator: This base can be applied using a specific applicator obtained from the monthly Lunar Event.
Matchmaker Applicator: This base can be applied using a specific applicator obtained from February's Matchmaker Event.
Cataclysms Applicator: This base can be applied using a specific applicator obtained from August's Cataclysms Event.
Coigreach Applicator: This base can be applied using a specific applicator obtained from November's Coigreach Event.

Cool
Light I
Aquamarine	Glaucous	Honeydew
Breed Only	Customisation, NBW, Starter Wolf Creator	Customisation
Light II
Chrysoberyl	Lavender	Pale	Sky
Breed Only	Breed Only	Customisation	Special NBW
Light III
Larimar	Opal	Squid
Breed Only	Breed Only	Breed Only
Medium I
Beryl	Blue	Khaki
Breed Only	Customisation	Customisation, NBW, Starter Wolf Creator
Medium II
Diorite	Galena	Malachite	Maltese
Special NBW	Customisation	Breed Only	Breed Only
Medium III
Grulla	Megalodon	Topaz
Breed Only	Breed Only	Breed Only
Dark I
Diopside	Marengo	Skarn
Breed Only	Customisation, NBW, Starter Wolf Creator	Customisation
Dark II
Coot	Denim	Lilac	Nocturne
Breed Only	Breed Only	Customisation	Special NBW
Dark III
Apex	Blueschist	Serpentine
Breed Only	Breed Only	Breed Only

Muted
Light I
Apricot	Aspen	Beige	Cream Lighter
Customisation	Breed Only	Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator
Shell
Breed Only
Light II
Almond	Buff	Feldspar	Greisen
Customisation	Customisation	Special NBW	Breed Only
Isabel	Peach
Breed Only	Breed Only
Light III
Teardrop	Zircon
Breed Only	Breed Only
Medium I
Cream	Cream Darker	Fawn	Honey
Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator	Breed Only	Customisation
Willow
Breed Only
Medium II
Antler	Blonde	Corrosion	Sandy
Breed Only	Breed Only	Breed Only	Customisation
Tuff	Vanilla
Special NBW	Customisation
Medium III
Badger	Lily	Pearl
Crafted Applicator	Breed Only	Breed Only
Dark I
Caramel	Chestnut	Chocolate	Dark Brown
Customisation, NBW, Starter Wolf Creator	Breed Only	Customisation	Customisation, NBW, Starter Wolf Creator
Dark Fawn
Breed Only
Dark II
Cocoa	Ebony	Lupin	Oroide
Breed Only	Special NBW	Breed Only	Customisation
Pecan	Sepia
Customisation	Breed Only
Dark III
Bronze	Hornfels	Seal
Breed Only	Breed Only	Breed Only

Mel 🏜️
#201

Posted 2021-09-02 14:53:04 (edited)

#516320

Warm
Light I
Coquina	Gold Lighter	Goldenrod	Magnolia
Breed Only	Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator	Customisation
Tumbleweed
Breed Only
Light II
Arkose	Calcite	Ducat	Grossular
Breed Only	Customisation	Customisation	Breed Only
Jacinthe	Yellow
Breed Only	Special NBW
Light III
Piasa	Tombac
Breed Only	Breed Only
Medium I
Brass	Cedar	Gold	Gold Darker
Breed Only	Breed Only	Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator
Red
Customisation
Medium II
Doubloon	Rust	Saffron	Sulphur
Breed Only	Special NBW	Breed Only	Customisation
Tawny	Xanthic
Customisation	Breed Only
Medium III
Fox	Mojave	Wulfenite
Crafted Applicator	Breed Only	Breed Only
Dark I
Amber	Brown	Henna	Liver
Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator	Breed Only	Customisation
Walnut
Breed Only
Dark II
Auburn	Dinar	Dravite	Rufous
Breed Only	Customisation	Special NBW	Breed Only
Russet	Sarder
Customisation	Breed Only
Dark III
Corrundum	Pyrope	Realgar
Breed Only	Breed Only	Breed Only

Monochrome
Light I
Dust	Mineral	Quartz	Snow
Customisation	Breed Only	Breed Only	Customisation, NBW, Starter Wolf Creator
White
Customisation, NBW, Starter Wolf Creator
Light II
Melchior	Nepheline	Rime	Salt
Breed Only	Special NBW	Breed Only	Breed Only
Siqoq	Titanium
Customisation	Breed Only
Light III
Argent	Chromium
Breed Only	Breed Only
Medium I
Ashen	Birch	Gravel	Gray Lighter
Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator	Breed Only	Breed Only
Howlite
Customisation
Medium II
Acanthite	Chert	Marble	Silver
Breed Only	Customisation	Breed Only	Breed Only
Steele	Sterling
Breed Only	Special NBW
Medium III
Flint	Striped Flint
Breed Only	Breed Only

Mel 🏜️
#201

Posted 2021-09-02 14:53:06 (edited)

#516321

Monochrome
Dark I
Black	Gray	Gray Darker	Jet
Customisation, NBW, Starter Wolf Creator	Customisation, NBW, Starter Wolf Creator	Breed Only	Customisation
Pumice
Breed Only
Dark II
Bedrock	Biotite	Obsidian	Onyx
Breed Only	Special NBW	Breed Only	Customisation
Pewter	Sphalerite
Customisation	Breed Only
Dark III
Iridium	Iron	Slate
Breed Only	Breed Only	Breed Only

Special
Light
Diana	Nightchill	Selene	Turquoise
Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator
Wisp
Coigreach Applicator
Medium
Amor	Biform	Caelum	Clover
Matchmaker Applicator	Lunar Event Applicator	Lunar Event Applicator	Coigreach Applicator
Kin	Luna	Merged	Moonlight
Cataclysms Applicator	Lunar Event Applicator	Cataclysms Applicator	Lunar Event Applicator
Penumbra	Storm
Lunar Event Applicator	Cataclysms Applicator
Dark
Abomination	Airglow	Annwn	Artemis
Cataclysms Applicator	Lunar Event Applicator	Coigreach Applicator	Lunar Event Applicator
Beast	Cynthia	Hydrangea	Losna
Cataclysms Applicator	Lunar Event Applicator	Matchmaker Applicator	Lunar Event Applicator
Moss	Tempest
Coigreach Applicator	Cataclysms Applicator

Mel 🏜️
#201

Posted 2021-09-02 14:53:08 (edited)

#516322

Eye Genetics

Basics & Pass Rates

Eye genetics are much simpler than base genetics.

In a breeding, eyes can either pass directly from the genetic parents, or produce one of several "fail" colours. There seems to be an even 50/50 chance for a puppy to get either a fail colour or an inherited colour. If it's determined that the pup will get one of the parent's eye colours, there seems to be a 50/50 chance for which parent's eye colour it will be. These are estimated rates based off of scried data.

For example, when breeding Ice eyes and Indigo eyes together, there is a 50% chance that the pup will get either Ice or Indigo eyes. There is a 50% chance that the pup will get a fail colour of Ice or Indigo.

There is a small chance that a breeding of either Black x White or Blue x Brown eyes will produce a pup with Heterochromia eyes in those colours. No other combinations of colors could produce these eyes. For example, Glass x Brown does not have the ability to produce Hetero Blue & Green. However, some eye colors can fail into Hetero colors, even if the parent does not have Hetero eyes or either of the colors required.

The table below lists every eye colour, their possible fails, and how they can be obtained. Note that not all of the fail colours listed here are confirmed, and some may be missing.

Current Eye Total: 81

Amber	Astrum	Azure	Bioluminescent Blue

Customisation	Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator
Can fail to: Brown, Hazel, Orange, and Yellow	Can fail to: Black, Blue, Ice, and Red	Can fail to: Blue and Ice	Can fail to: Black and Blue

Bioluminescent Indigo	Bioluminescent Teal	Black	Blend

Lunar Event Applicator	Lunar Event Applicator	Customisation	Cataclysms Applicator
Can fail to: Black, Blue, Indigo, and Red	Can fail to: Blue, Green, and Ice	Can fail to: Gray, Red, and White	Can fail to: Green, Hazel, and Olive

Bloodhound	Blue	Blue Moon	Bone

Raffle Stud	NBWs, Customisation	Lunar Event Applicator	Crafted Applicator
Can fail to: Red and White	Can fail to: Gray and Olive	Can fail to: Black, Blue, Ice, and White	Can fail to: Amber, Brown, White, and Yellow

Brown	Carapace	Cetacean	Chestnut Brown

NBWs, Customisation	Crafted Applicator	Crafted Applicator	Special NBWs
Can fail to: Orange and Yellow	Can fail to: Amber, Brown, and Orange	Can fail to: Black and Red	Can fail to: Amber, Black, and Brown

Clay	Cold	Copper	Crotalus

Customisation	Lunar Event Applicator	Special NBWs	Crafted Applicator
Can fail to: Amber, Brown, Orange, and White	Can fail to: Azure, Blue, and Ice	Can fail to: Amber, Brown, and Orange	Can fail to: Brown, Clay, Gray, and White

Cryptid	Dark Hazel	Dust	Electric Blue

Cataclysms Applicator	Raffle Stud	Raffle Stud	Lunar Event Applicator
Can fail to: Black and Red	Can fail to: Black, Brown, Hazel, and Olive	Can fail to: Black, Brown, Gray, and Orange	Can fail to: Blue and Ice

Electric Green	Electric Pink	Electric White	Fae

Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator	Coigreach Applicator
Can fail to: Green and Olive	Can fail to: Blue, Purple, and Red	Can fail to: White and Gray	Can fail to: Green, Hazel, and Red

Fearsome	Fox	Frost	Glass

Cataclysms Applicator	Crafted Applicator	Lunar Event Applicator	Special NBWs
Can fail to: Black and Red	Can fail to: Amber, Brown, Hazel, and Orange	Can fail to: Blue, Ice, and White	Can fail to: Blue, Brown, and Green

Gray	Green	Hazel	Hetero Black & White

NBWs, Customisation	Customisation	Customisation	Breed Only
Can fail to: Blue and Olive	Can fail to: Blue, Hazel, Gray, and Olive	Can fail to: Amber, Brown, Green, and Orange	Can fail to: Black and White

Mel 🏜️
#201

Posted 2021-09-02 14:53:10 (edited)

#516323

Hetero Blue & Brown	Hetero Brown & Blue	Hetero White & Black	Holly

Breed Only	Breed Only	Breed Only	Raffle Stud
Can fail to: Blue and Brown	Can fail to: Blue and Brown	Can fail to: Black and White	Can fail to: Green, Red, and Olive

Honey	Hurricane	Husky	Ice

Special NBWs	Cataclysms Applicator	Raffle Stud	Customisation
Can fail to: Amber, Brown, and Orange	Can fail to: Blue, Gray, and Red	Can fail to: Blue, Ice, and White	Can fail to: Blue, Gray, and White

Indigo	Insomnium	Lumino	Lunisolar

Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator	Lunar Event Applicator
Can fail to: Blue and Red	Can fail to: Blue, Green, and Red	Can fail to: Blue, Green, Ice, and Olive	Can fail to: Blue, Gray, Red, and Violet

Lux	Mercury	Moonglow	Moonlight

Lunar Event Applicator	Special NBWs	Lunar Event Applicator	Lunar Event Applicator
Can fail to: Black and Blue	Can fail to: Clay, Gray, and Orange	Can fail to: Blue, Red, and Yellow	Can fail to: Blue, Black, Ice, and White

Moonshine	Nightglow	Novus	Nox

Lunar Event Applicator	Lunar Event Applicator	Raffle Stud	Lunar Event Applicator
Can fail to: Amber, Blue, Black, and Yellow	Can fail to: Blue and Ice	Can fail to: Blue, Dust, and Storm	Can fail to: Black, Blue, and Red

Olive	Orange	Passion	Puma

NBWs, Customisation	NBWs, Customisation	Matchmaker Applicator	Crafted Applicator
Can fail to: Blue and Gray	Can fail to: Brown and Yellow	Can fail to: Blue, Green, Ice, and Red	Can fail to: Green, Hazel, and Olive

Purple	Red	Rose	Saeculorum

Lunar Event Applicator	Customisation	Matchmaker Applicator	Lunar Event Applicator
Can fail to: Blue and Red	Can fail to: Amber, Black, and Brown	Can fail to: Clay, Red, and White	Can fail to: Black, Blue, and Red

Sapphire	Saros	Scallop	Selenelion

Lunar Event Applicator	Lunar Event Applicator	Crafted Applicator	Lunar Event Applicator
Can fail to: Blue and Red	Can fail to: Blue, Green, and Red	Can fail to: Amber, Brown, Orange, and White	Can fail to: Blue, Gray, and Red

Serene	Smoke	Somnium	Steel Blue

Cataclysms Applicator	Raffle Stud	Lunar Event Applicator	Raffle Stud
Can fail to: Gray and Green	Can fail to: Black, Gray, Hetero Black & White, Hetero White & Black, and White	Can fail to: Blue, Ice, and Red	Can fail to: Black, Blue, and Gray

Storm	Total Eclipse	Tranquil	Violet

Raffle Stud	Lunar Event Applicator	Cataclysms Applicator	Lunar Event Applicator
Can fail to: Black, Blue, and Gray	Can fail to: Blue, Indigo, and Red	Can fail to: Brown, Gray, Hazel, and White	Can fail to: Blue and Red

Warm Gray	White	Wisp	Yagou

Special NBWs	Customisation	Coigreach Applicator	Crafted Applicator
Can fail to: Black, Clay, Gray, and White	Can fail to: Black, Gray, and Ice	Can fail to: Green, Hazel, Olive, and Yellow	Can fail to: Amber, Green, Olive, and Yellow

Mel 🏜️
#201

Posted 2021-09-02 14:53:12 (edited)

#516324

Yellow

NBWs, Customisation
Can fail to: Brown and Orange

Marking Genetics

Marking Categories & Rarities

Markings are sorted similarly to bases in that they have a colour and rarity. An additional category is added to reflect marking shapes.

The colour of the marking is very straightforward and is representative of the hue of the marking. The colour of the marking will be important if you're interested in breeding combo markings.

There are currently 28 different marking colors to choose from.

Wolves have a dedicated section on their pages for Markings. Here, you can see the color and shape of each marking they have. Wolves can have up to ten markings.

The Markings section of a wolf's page.

The number in parenthesis next to each marking is the marking's opacity. The opacity represents the vibrancy or transparency of the marking -- how much is stands out or blends into other markings.

Every marking is sorted into a category based on the way it is obtained. These "tiers" are not representative of how rare a marking is. Rather, they simply define where the marking comes from. Certain categories of markings define what a marking is able to do. For example, Tier 0 and Tier 1 markings are able to mutate into similar shapes, but no other tier of marking can.

T0 - Basic NBW Markings
T1 - Custom
T2 - Raffle/Rare
T3 - Applicator
T4 - [ Empty Category ]
T5 - Placeholder/'Unreleased' (Markings are placed in this category if they are not meant to be RMA-able, like raffle stud markings before the raffle is pulled, and lunar event markings until after their debut event is over)
T6 - Combo Markings & Some Deviations
T7 - RMA
T8 - Rare NBW

Every marking, regardless of these tiers, has a chance to drop from a Random Marking Applicator!

Pass Rates

Markings

If both parents have a marking in a specific slot, there is an estimated 60% chance that the pup will get a marking in that slot in general. Once it's decided that the pup will get a marking in the slot, it is a 50/50 chance for which parent's marking they will receive. Identical markings that are bred in the same slot (both parents have the exact same marking in the same slot) have a 75% chance of passing directly onto the pup, rather than a 60% chance.

If only one parent has a marking in a specific slot, the puppies have a 50% chance to obtain that marking.

Special thanks to Nika (#10475) and Mossfoot (#23226) for these calculations!

Opacities

The opacities of the parents' markings will affect what opacity the pup's marking will have. The opacity does not affect the pass rate of the actual marking. The pup's marking will be the average of the two parent's opacities in that slot, give or take about 10%. This could be represented by the formula below.

(mother's opacity + father's opacity)/2 ± 10%

If one parent does not have a marking in that slot, their opacity is 0%. So, if only one parent has a marking in that slot and the pup inherits that marking, the opacity will be 1/2 of the one parent's opacity, also with 10% wiggle room.

Special thanks to Coal (#476) for the formula and tips!

Marking Deviations

Some marking shapes may produce deviations, or mutations, from breeding.

There is a small chance that certain marking shapes will mutate into different shapes within the same tier, but only if the original marking is a Tier 0 or Tier 1 marking. Markings will most likely only be able to mutate into a different marking with a similar name. For example, Cape mutating into Cape Ticking.

Markings which don't belong in Tier 0 or Tier 1 will not have the chance to mutate. So, the Wings Heavy marking could not mutate into the Wings marking.

Combo Markings

Combo markings are another marking mechanics that is rolled during genetics calculations.

Some marking colour combinations will produce combo colours. To produce a combo marking, the wolves that are bred must have the compatible colours in the same marking slots. The marking shapes do not have to be the same as each other, but one of the shapes must also have a version in the combo colour. So, if one parent has a White Cross marking and the other parent has a Black Dilution marking in the same slot, the pup would have a chance to get Silver Cross or Silver Dilution.

Combo markings will pass in a normal breeding just like any normal marking. For example, if wolf has Silver Cape, a combo marking, the puppies can inherit Silver Cape directly without the need for Black or White markings.

The following table lists every combo colour and the combinations used to get them.

Possible Combo Colours and Combinations to Get Them
Auburn	Black + Red
Deira	Beige + Honey
Dinar	Honey + Brown
Doubloon	Honey + Yellow
Ducat	Yellow + White
Sepia	Brown + Yellow
Silver	Black + White
Sterling	Silver + Black
Tuff	Silver + Cream
Zircon	Red + Cream

Detailed Marking Reference

The guide linked below contained detailed information about every marking, marking tier, and marking mechanic. Every marking in the game is also listed, sorted into categories based on how to get them!

[Detailed Marking Reference Guide]
You can also view an abridged marking reference in [this spreadsheet].

Mel 🏜️
#201

Posted 2021-09-02 14:53:14 (edited)

#516325

The genetics of leathers (noses and skins) and claws are all the same and are very simple. They will always pass at a 50% chance for either of their parents' colours. So, if you bred two wolves together, one with a black nose and one with a pink nose, the pups will have a 50% chance for a black nose and a 50% chance for a pink nose.

Noses, skins, and claws can be obtained in multiple different ways, though they are not divided by tiers or rarities and every feature has the same pass rate.

Basic

These noses, skins, and claws can be obtained on NBWs. They can also be applied using the [Customiser] or a [Grove] applicator.

Noses

Bistre	Black	Brown	Dark	Dark Brown	Fallow
Gray	Light	Light Brown	Oxblood	Tan

Skins

Bistre	Black	Brown	Dark	Dark Brown	Fallow
Gray	Light	Light Brown	Oxblood	Tan

Claws

Bistre	Black	Bone	Brown	Dark	Gray
Light	Oxblood	Root	Sandy	White

Custom

These noses, skins, and claws can be applied through customisation with the [Customizer] or [Grove] applicators.

Noses

Blue

Marbled

Pale

Pallid

Pink

Skins

Blue

Marbled

Pale

Pallid

Pink

Claws

All claws which can be customised can also be found on NBWs.

Applicator

These noses, skins, and claws can be applied using event applicators.

Noses

Apollo	Blend	Chill	Conflux	Corrupt	Cynthius
Dius	Duorum	Fern	Fey	Grime	Lunar
Lusxnei	Moonbow	Mud	Noctiluca	Penumbral	Rouge
Sacer	Selenite	Verdigris	Wild

Skins

Apollo	Blend	Chill	Conflux	Corrupt	Cynthius
Dius	Duorum	Fern	Fey	Grime	Lunar
Lusxnei	Moonbow	Mud	Noctiluca	Penumbral	Rouge
Sacer	Selenite	Verdigris	Wild

Claws

Apollo	Blend	Chill	Conflux	Corrupt	Cynthius
Dius	Duorum	Fern	Fey	Grime	Lunar
Lusxnei	Moonbow	Mud	Noctiluca	Penumbral	Rouge
Sacer	Selenite	Verdigris	Wild

Mel 🏜️
#201

Posted 2021-09-02 14:53:16 (edited)

#516326

Mutation Basics

Mutations are a rare part of a wolf's genetics that make them unique! Not all wolves have mutations, but those that do can be more valuable or more visually distinct than other wolves.

On each wolf, there are two slots available for mutations. This means that two mutations can be bred onto the same wolf. However, not all mutations can be doubled up. Some mutations, like Brachycephaly, are always primary, so they always taken up the main mutation slot and cannot be paired with other primary mutations. Some mutations, like Albinism or Melanism, will always take up the secondary mutations slot. This means that a wolf might have no primary mutations, but can have a secondary mutation present.

In general, large, drastic mutations with lineart changes will take up the primary mutation slot while smaller changes like albinism will take up the secondary mutation slot.

Mutation Slots

Wolves with mutations will also have icons next to the mutation name of their wolf page. These icons reflect what kind of mutation the wolf has. More information about these different kinds of mutations is available further down in this guide.

	Random Chance Mutation
	Recessive Genetic Mutation
	Lethal Mutation
	Applicator Mutation

Art of the concept of secondary mutations from Wolvden's [Tumblr].

Random Mutations

Some mutations have the chance to show up randomly in any breeding. However, the chance is very low. All current random mutations are lethal. So, in order to keep a wolf with a random mutations, you must immortalize them.

Lower fertilities increase the chance for a random mutation in a breeding, as per the breeding tutorial quest.

Other than breeding wolves with lower fertilities, there is nothing you can do to increase your chances of getting a random mutation.

The currently available random mutations are listed below.

Conjoined Twins
Deafness
Polycephaly
Polymelia
Spontaneous Blindness

Genetic Mutations

Some mutations are determined by hidden genes present in some wolves. Hidden genes are always recessive, meaning that both genetic parents must have the hidden gene, and both genes must pass to the puppy in order for the puppy to develop a mutation. You can't see hidden genes from the outside -- you won't know if your wolf carrying a gene unless they happen to be bred with another wolf with the same gene, and their puppy has a mutation. Alternatively, you may check the wolf for hidden genes at [Gene's Hollow].

Once a wolf has been gene checked at [Gene's Hollow], they will be given a Carrier Status Report, which can be viewed under the Looks section of the wolf's page.

The report lists all the current recessive mutations and whether or not the wolf is a carrier for said mutation.

The report could include four different icons, explained below.

Wolf has not been tested.

Wolf is not a carrier of the mutation.

Wolf is a carrier of the mutation.

Wolf has the mutation.

Wolves are able to be a carrier of multiple hidden genes at the same time. You could breed one line of mutation carriers that carry every hidden gene in the game, if you would like to.

Any wolf that's newly generated has a small chance of having a hidden gene. This means NBWs, new lead wolves, and new customised wolves can all have hidden genes.

Every recessive genetic mutation has the same gene pass rates. These pass rates are listed below and were last confirmed shortly before beta testing ended in September 2020.

Non-carrier x Non-carrier =	100% Non-carrier
Non-carrier x Carrier =	90% Non-carrier, 10% Carrier
Non-carrier x Mutation =	15% Carrier, 85% Non-carrier, 0% Mutation
Carrier x Carrier =	10% Carrier, 10% Mutation, 80% Non-carrier
Carrier x Mutation =	15% Carrier, 15% Mutation, 70% Non-carrier
Mutation x Mutation =	10% Carrier, 20% Mutation, 70% Non-carrier

Another thing to note is that recessive mutations do not interact with each other. This can be represented by an example breeding between a wolf with Albinism and a wolf with Melanism. If you breed these two wolves together, it is treated like a breeding between a Mutation x Non-carrier because neither wolf carries the other's mutation. This breeding will not give you the chance for an Albinism or Melanism pup unless either wolf is actually a carrier of the other's mutation.

The currently available genetic mutations are listed below.

Albinism
Brachycephaly
Hereditary Cataracts
Melanism

Applicator Mutations

Applicator mutations are mutations which can be obtained either through breeding or applying them directly to your wolf using a Mutie on Demand applicator.

Mutie on Demand applicators can be used on any wolf who doesn't already have a secondary mutation. It is not possible to find a NBW who has this type of mutation.

Besides being applied using applicators, Applicator mutations also have a small chance of passing to pups through breeding. These are not genetic/recessive mutations. Applicator mutations cannot be carried or passed recessively through generations. A pup will only have a chance of getting the mutation if one of their direct parents has the mutation.

The chance of the mutation passing is currently unknown, but is specified as being "small". Breeding two wolves with the same applicator mutation together will increase the chances of a pup getting that mutation.

Applicator mutations, like genetic mutations, also do not interact with each other. A wolf with Piebald: Torn, for example, cannot produce a pup with Piebald: Uneven.

The currently available applicator mutations are listed below.

Piebald: Torn
Piebald: Uneven

Lethal Mutations

Lethal mutations are mutations which will kill your wolf after a certain number of rollovers. Right now, the only lethal mutations are visible from birth and will kill before your wolf reaches adolescence.

When a pup with a lethal deformity is born in your pack, you will receive a message in your daily rollover summary about an "Unusual Puppy". Most lethal mutations are random, while one is genetic.

There is no way to prevent a pup with a lethal mutation from dying. You can, however, immortalize them with a Jellyfish and an immortal slot, but this means they will never age and they will not be able to be used for anything in the future.

The currently available lethal mutations are listed below.

Brachycephaly
Conjoined Twins
Polycephaly
Polymelia

List of Mutations

Want to learn about every mutation in detail? Check out this guide's companion post below!

[Grouse House Guide] Genetics | Mutations In-Depth

Mel 🏜️
#201

[Grouse House Guide] Genetics

Colour Groups

Shades

Tiers/Rarities

Base Pass Rates

Breeding Bases with Differing Categories

Special Circumstances

Breeding Bases with Matching Categories

Special Bases

Basics & Pass Rates

Marking Categories & Rarities

Pass Rates

Markings

Opacities

Marking Deviations

Combo Markings

Detailed Marking Reference

Basic

Noses

Skins

Claws

Custom

Noses

Skins

Claws

Applicator

Noses

Skins

Claws

Mutation Basics

Random Mutations

Genetic Mutations

Applicator Mutations

Lethal Mutations

List of Mutations

Activity

Activity