catgenT - Genetically Controlled Traits in Cats Inheritance...

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Genetically Controlled Traits in Cats Inheritance of Coloration and White Spotting: [Note: an animal carrying wild-type alleles at all loci is a mackerel tabby.] A locus A + Wild type a Absence of tabby distribution of black/red, usually solid black (or black and white spotted in the presence of S. B locus B + Wild type b Black pigment is changed to brown C locus C + Wild type c ch Chinchilla--all red pigment is removed leaving only black pigment. This mutant is responsible for producing silver tabbies. c b Burmese--some areas of black are changed to a brownish tone. c s Siamese--pigment is restricted to the "points". c Albino D locus D + Wild type d black is diluted to blue (red to cream) L locus L + Normal short hair length l recessive, long hair O locus (X-linked) O Orange pigment replaces all black pigment o + Wild type
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2 T locus (Note that this locus is responsible for the type of tabby pattern and is hypostatic to aa) T a Abyssinian tabby T + Wild type (Mackerel tabby) t b Blotched tabby W locus W Dominant white (solid or nearly solid white-see deafness below) w + Wild type
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catgenT - Genetically Controlled Traits in Cats Inheritance...

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