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mango-tsuki In reply to Pommy1 [2020-03-23 17:21:41 +0000 UTC]

sure ! itll require a basic understanding of genetics, such as how dominance and carriers work. ill write a brief overview of the each allele:


LL/Ll/ll - determines if cat has short (L) or long (l) hair. L > l

BB/Bb/Bbl/bb/bbl/blbl - determines if cat is black (B), chocolate (b), or cinnamon (bl). B > b > bl

XoXo/XOXo/XOXO/XoY/XOY - determines if cat is red (XOXO, XOY), tortoiseshell (XOXo), or black-based (XoXo, XoY). this gene is sex-based, meaning males will receive Y and females will receive two sets of X. this is why tortoiseshells are always female. O > o

DD/Dd/dd - determines if a cat is diluted (d) or not (D). dilution lightens the coat. black turns to grey, chocolate turns to lilac, cinnamon turns to fawn, and red turns to cream. D > d

dmdm/Dmdm/DmDm - determines if a cat's dilution is modified (Dm) or not (dm). referred to as 'caramelized' it gives a cat's coat a warmer tone. only shows up on dilutes (dd). very rare. Dm > dm

AA/Aa/aa - determines if a cat is a tabby (A) or solid (a). all red cats are tabbies whether they have the A gene or not. A > a

McMc/Mcmc/mcmc - determines if a cat is a mackerel (Mc) or classic (mc) tabby. Mc > mc

SpSp/Spsp/spsp - determines if a cat's tabby stripes are spotted (SpSp), broken (Spsp), or solid (spsp). Sp > sp

TaTa/Tata/tata - determines if a cat is a homozygous ticked tabby (TaTa), heterozygous ticked tabby (Tata), or has solid stripes (tata). pattern most attributed to abyssinians and somalis. heterozygous ticked keeps stripes on the legs, face, and tail of the cat. Ta > ta

II/Ii/ii - determines if a cat is a silver/smoke (I) or solid (i). cat is silvered if a tabby, cat is a smoke if solid. I > i

wbwb - determines if a cat is chinchilla/shaded (Wb). not entirely sure how it works yet, but pattern is most attributed to persian cats. Wb > wb

EE/Ee/ee - determines if a cat is amber (e) or not (E). pattern most attributed to norwegian forest cats. kittens are born their base color, but lighten into an red color as they age. E > e

CC/Ccs/Ccb/Cca/cscs/cscb/csca/cbcb/cbca/caca - determines if a cat is solid (C), colorpointed (cs), mink colorpointed (cscb), sepia colorpointed (cb) or albino (ca). albino is extremely rare. colorpoint pattern most attributed to siamese cats. C > cs > cb > ca

WdWd/WdWs/Wdw/WsWs/Wsw/ww - determines if a cat is fully white (Wd), 50-100% white (WsWs), 0-50% white (Wsw) or has no white (ww). Wd > Ws > w


here are some helpful resources:
www.sparrows-garden.com/geneti… sparrow's garden is a great website, and where i taught myself cat genetics with the calculator a while back! sparrow has since updated the site with more advanced calculators and photo references perfect for a beginner.
cedarseed.com/portfolio/housec… a great chart showing close to accurate color patterns. always try and find an image of a cat with said color before drawing though to get most realistic color palettes. also beware: im pretty sure golden smokes/shaded are not actually possible
discord.gg/tps3nCv a discord group dedicated to cat genetics! plenty of people who would answer any questions you have

i hope this helps!

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