Are Orange Cats Almost Always Male. Calico cats are almost always female. To have black and orange in the same cat, the cat needs two x chromosomes.
Orange tabby cats are almost always male. One form of the gene codes for orange fur (x b), and the other form codes for black fur (x b). The gene that governs how the orange color in cats displays is on the x chromosome.
We have many female orange tabby cats in my practice.
Their coats come in 4 different patterns. This certainly seems to point to some genetic link between sex and coat markings, although veterinarians and researchers still haven’t seemed to pinpoint the exact factors. Solid, tabby, bicolour, colorpoint and are rarely calico or tortoiseshell. Calico and tortoiseshell cats, however, are almost always female.