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K756

Coat colour in cats is controlled by a wide range of different genes working together.

12 working days

Caractéristiques

Breeds

Gene

Organ

specimen

Swab, Blood EDTA, Blood Heparin, Semen, Tissue

Mode of Inheritance

Chromosome

Also known as

Year Published

Informations générales

Coat colour in cats is controlled by a wide range of different genes working together. A brown or ruddy coat colour (typically known as ‘Chocolate’ or ‘Cinnamon’) is caused by a recessive mutation to the gene TYRP1. There are two variant mutations: b, associated with Chocolate, and b^l, associated with Cinnamon. The b mutation is itself dominant over b^l.

Caractéristiques cliniques

Affected cats that would otherwise have a black or dark coat are expected to develop a lighter brown coat instead. A genotype of b/b or b/b^l results in a chocolate or chestnut coat colour. A genotype of b^l/b^l results in a lighter colour known as cinnamon or simply red.

Additional Information

Coat colour is an complex trait that relies on the interaction of many different genes. Several different tests may be required to form the most accurate image of an animal's coat colour genetics.

Références

Pubmed ID: 16104383

Omia ID: 1249

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