3/15/2024 0 Comments Calico cat tortoiseshellMale tortoiseshells can occur as a result of chromosomal abnormalities (often linked to sterility) or by a phenomenon known as chimerism, where two early stage embryos are merged into a single kitten. In a litter sired by a ginger tom, the females will be tortoiseshell or ginger. Conversely, cats where the overall color is ginger (orange) are commonly male (roughly in a 3:1 ratio). Both tortoiseshell and calico cats are typically female because the coat pattern is the result of differential X chromosome inactivation in females (which, as with all normal female mammals, have two X chromosomes). A true tricolor must consist of three colors: a reddish color, dark or light white and one other color, typically a brown, black, or blue. The Japanese refer to this pattern as mi-ke (meaning "triple fur"), while the Dutch call these cats lapjeskat (meaning "patches cat"). The calico is also sometimes called a tricolor cat. All calicos are tortoiseshell (as they carry both black and red), but not all tortoiseshells are calicos (which requires a significant amount of white in the fur and patching rather than mottling of the colors). Additionally, the cat may have white spots in its fur, which make it a 'tortoiseshell and white' cat if there is a significant amount of white in the fur and the red and black colors form a patchwork rather than a mottled aspect, in North America the cat will be called a calico. In the cat fancy, a tortoiseshell cat is patched over with red (or its dilute form, cream) and black (or its dilute blue) mottled throughout the coat. This cat is also known as a calimanco cat or clouded tiger cat, and by the abbreviation 'tortie'. Now, first off, there are tons of different kinds of torties out there. Tortoiseshells are one of the most - if not the most - common coloration choices for main characters in Warriors fanfictions.
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