Almost every breed of cat has the potential to fall into the calico category. The term basically means that they are tricolor ...

Conversely, calico or tortoiseshell cats are usually female – the female’s extra X chromosome allows the possibility of her receiving both a black and orange gene. 1.

Calico cats represent an enchanting mixture of orange, black, and white ... The smoke pattern is found in long-haired breeds with flowing hair, making them appear fairy-like.

either an orange or black coat color results. X inactivation only occurs in cells with multiple X chromosomes, which explains why almost all calico cats are female. X inactivation exists in two ...