Burmese Cat Colour Genetics

The burmese gene is also present in some other cat breeds particularly the established rex breeds where it can be fully expressed in its homozygous form cbcb referred to as burmese colour restriction or sepia.

Burmese cat colour genetics. The breed originated in its current form during the 1930 s when a cat named wong mau was brought to america from burma and crossed with a siamese cat. The wild type allele c is dominant and produces full colouration. Not sure what colours to expect from your litter. Brown blue chocolate lilac red brown based red chocolate based cream blue based cream lilac based carries blue.

Burmese colour mating chart. D the mutation of the dense gene d is d dilution and modulates the intensity of the coat colour to a more pale coat. B dark brown allele chocolate a mutation of the allele b reduces black to a brown chocolate colour. D dense gene allele for non dilution is responsible for full pigmentation and is a dominant gene.

The same gene can also be combined with the siamese gene cbcs to produce either darker points or a light on dark brown coat similar to the burmese chocolate champagne known as mink. Our sable burmese is genetically a black cat. The colour gene tyrosinase tyr has four alleles c cs cb and c. The csand cbmutations cause temperature sensitive pigment production that is characteristic of siamese colourpoint and burmese colouration respectively.