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Cat genetics describes the study of inheritance as it occurs in domestic cats. In feline husbandry it can predict established traits ( phenotypes ) of the offspring of particular crosses. In medical genetics , cat models are occasionally used to discover the function of homologous human disease genes.
Male cats, like males of other therian mammals, are heterogametic (XY). [19] The single X chromosome does not undergo X-inactivation, ergo coat color is determined by which O-gene allele is present. Accordingly, the cat's coat will be either entirely orange or melanistic (respectively X O Y or X o Y).
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 ...
Per reports, it is rare for a biological male Calico Cats to have two chromosomes, as only 1 in every 3,000 has XXY chromosomes. As such, Josie is indeed a very special cat. As such, Josie is ...
Roughly 75% of ginger cats are male. [14] Male cats with the gene for orange can be either X°Y ginger or X-Y black or non-ginger tabby. Females with the gene have three possibilities: X-X- black or non-ginger tabby, X°X° ginger, and X-X° tortoiseshell, thus male cats cannot be tortoiseshell unless they have two X chromosomes. [14]
The orange mutant gene is found only on the X, or female, chromosome. As with humans, female cats have paired sex chromosomes, XX, and male cats have XY sex chromosomes. The female cat, therefore, can have the orange mutant gene on one X chromosome and the gene for a black coat on the other. The piebald gene is on a different chromosome.
For example, in some species of cichlid fish from Lake Malawi, if an individual has both the XY locus (on one chromosome pair) and the WZ locus (on another chromosome pair), then the W is dominant and the individual has a female phenotype.
American Shorthair. This beautiful breed is known for having an easygoing and friendly persona. Cats get a bad rep for being less than affectionate, but this furry companion appreciates a little TLC.