Phenotype: The coat color called "russet" in Burmese cats develops with age and is characterized by progressive amounts of red pigment on the head and dorsal surfaces. Mode of Inheritance: Autosomal recessive. Alleles: N = Normal or non-russet, R = Russet. Breeds appropriate for testing: Burmese. Explanation of Results:

Cat coat genetics determine the coloration, pattern, length, and texture of feline fur. The variations among cat coats are physical properties and should not be confused with cat breeds. A cat may display the coat of a certain breed without actually being that breed.

Prior to the emergence of amber, and then russet, there had never been any scientific evidence of a yellow recessive mutation (e) in the extension gene in cats. The Extension gene contributes to the Melanocortin 1 Receptor (MC1R) protein pathway. MCR1 is …

Russet is due to a recessive mutation that causes black pigment (eumelanin) to gradually fade to a minimal amount while leaving red pigment (phaeomelanin) unaffected. Russet kittens resemble tabbies at birth, but have pink noses and paw-pads, pale fur around the pads and genitalia and a pale tail-tip - all of which would be dark in tabbies.

Rufus is a real character, and a very handsome young cat with stunning eye colour. He's from Russell and Missie and is a red russet, the only one that's been bred so far. I'm greatly looking forward to seeing kittens from him.

Russet is a relatively new coat color that appeared in a litter of kittens born in New Zealand in 2007 and is thought to be a mutation of the extension gene. The color develops with age and is characterized by progressive amounts of red pigment on the head and dorsal surfaces.

Four mutations that produce long-haired coats in domestic cats have been identified in a single gene. Three of the mutations are fairly breed specific, while the fourth is present in all long-haired cat breeds and crossbreds.

A recessive allele (ea) is found in the Norwegian Forest Cat and is responsible for the Amber coloration seen in this breed. Another recessive allele (er) is found in the Burmese and is responsible for the Russet coloration of this breed.

2016年9月27日 · The Burmese is a breed of domestic cat that originated in Southeast Asia and was further developed in the United States. Variants in melanocortin 1 receptor ( MC1R ) causes common coat colour phenotypes in a variety of mammalian species but only limited colour variation in the domestic cat.

The melanocortin 1 receptor gene (MC1R) is responsible for the deposition of pigment in hair. Recessive alleles of this gene produce bright red to yellow coat pigmentation. A mutation described in Burmese cats produces the "russet" red coat. These cats are born a different color and the red shades develop over time. Gene name(s) MC1R. Inheritance