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Cat coat genetics. A tabby mother and her kittens, showing different colorations (the red parts of the mother are not visible, but since she has both black and red kittens she must carry both of the colours) [citation needed] Cat coat genetics determine the coloration, pattern, length, and texture of feline fur.
The coloration of tortoiseshell and calico cats is a visible manifestation of X-inactivation. The black and orange alleles of a fur coloration gene reside on the X chromosome. For any given patch of fur, the inactivation of an X chromosome that carries one allele results in the fur color of the other, active allele.
Calico cat. A calico cat (US English) is a domestic cat of any breed with a tri-color coat. The calico cat is most commonly thought of as being 25% to 75% white with large orange and black patches; however, they may have other colors in their patterns. Calicoes are almost exclusively female except under rare genetic conditions.
Cats have three types of fur on their bodies, and the ratio and length of these types varies with the breed of cat and the type of hair of each individual. The first type of fur that every cat has ...
Because cats are believed to only have two of the three cone cells needed to see the full range of color, they're likely to be more limited in exactly what colors they're able to detect.
The orange tabby, also commonly called red or ginger tabby, is a color-variant of the above patterns, having pheomelanin (O allele) instead of eumelanin (o allele). Though generally a mix of orange and white, the ratio between fur color varies, from a few orange spots on the back of a white cat to a completely orange coloring with no white at all.
Several genes interact to produce cats' hair color and coat patterns. Different combinations of these genes give different phenotypes . For example, the enzyme tyrosinase is needed to produce the dark pigment melanin and Burmese cats have a mutant form that is only active at low temperatures, resulting in color appearing only on the cooler ears ...
The Devon Rex is a truly striking cat breed, with their big eyes, bigger ears, and a short coat of curly fur. They look like the cutest little extraterrestrials you've ever seen, but in feline ...