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Calico
Calico-cat-10.jpg
Information
Alternative Names

Tortoiseshell and White
Tricolor Cat

Cat (Felis catus)
List of Cat Breeds



A calico is domestic cat with a tri-color coat. Its coat is mainly white with black, brown and flame-colored patches. The calico's eyes can come in many colors, including blue, yellow, green and in between. They are not to be confused with tortoiseshell cats, which are similar but with significantly less white.

Diluted calicoes[]

Cataglory.jpg

The diluted calico is also a type of calico coat pattern where black becomes dark gray, orange becomes somewhat pale tawny, and brown becomes beige, or the colors become faded. as with normal calicos, their eyes can come in an array of colors.

Genetics[]

Mammals have 2 sex chromosomes, X and Y. A normal female cat has two X chromosomes and no Y chromosomes. Normal male cats have one X and one Y. It is the chromosomes that determine the gender of the cat. If the father passes on his X chromosome, it will be a female. If he passes on his Y chromosome, it will be a male. All female placental mammals have a "mosaic". This means they have random patches of X inactivation from one of their two X chromosomes.

Calico cats are almost always female because the X determines the gender of the cat and females have two Xs. Because the Y carries NO color genetics, it is extremely rare for a male to be a calico. The exception is when the male abnormally carries two X chromosomes and one Y. All male calicoes are sterile due to this.

Male calicos cats can be born, albeit extremely rarely. Males are almost always sterile and may not live as long due to mutations and health issues. As a result, many cat registries will not accept them as show cats. Some male calico cats do, however, live for long, healthy lives.

Breeds[]

Trivia[]

  • Only about 1 in 3000 calicoes/tortoiseshells are male.
  • In some cultures, a calico's coloration is associated with good luck, and will have nicknames to reflect that, such as glückskatze (lucky cat) in Germany, or money cat in the U.S.

Gallery[]

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