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Fever coat is an effect known in domestic cats, where a pregnant female cat has a fever or is stressed, causing her unborn kittens' fur to develop a silver-type color (silver-grey, cream, or reddish) rather than what the kitten's genetics would normally cause. After birth, over some weeks the silver fur is replaced naturally by fur colors ...
A cat with black point coloration. Points are specific areas of an animal coat that are colored differently from the main body colorations. Point coloration may be represented by a pale body color and relatively darker extremities, such as face, ears, feet, tail, and external sex organs, as seen on Siamese cats. [1]
The lynx point pattern is formed by mating a colorpoint cat with a tabby cat (or breeding cats that already possess the lynx point pattern). It is characterized by a mixture of the darkening (reduced) of point coloration with distinct tabby striping on the head, tail, and legs, and an otherwise uniform and comparatively pale body.
A dilution gene that produces what looks like point coloration, but from a completely different genetic mechanism is the dominant Dun gene, which dilutes the color of the body coat but not the points, including primitive markings—a dorsal stripe down the back and, less often, horizontal striping on the upper legs. On a bay base coat the dun ...
A cat hair showing light and dark bands caused by alternating production of agouti-signaling protein and α-MSH. The agouti gene, the Agouti-signaling protein (ASIP) is responsible for variations in color in many species. Agouti works with extension to regulate the color of melanin which is produced in hairs.
Leucism, a partial loss of pigmentation that results in animals with pale or white skin, hair and/or feathers; Melanosis, hyperpigmentation via increased melanin Ocular melanosis; Peutz–Jeghers syndrome, dark patches on the lips etc. Piebaldism, patchy absence of melanin-producing cells
Read more special coverage on National Cat Day: Meet the woman who owns over 1,000 cats The results say the most anti-social are likely tortoiseshell and calico cats — which have color patterns ...
The loss of eumelanin in the coat is, in these species, harmless. The distinction between aeumelanism and hyperphaeomelanism – over abundance of phaeomelanin – is semantic. The bay horse, left, has both eumelanin and phaeomelanin in her coat; the agouti signaling peptide suppresses black color to the "points" v the mane, tail, ear tips, and ...