Two independent research teams have finally determined what causes cats to be orange. It turns out that a specific gene is ...

Two independent research teams have finally determined what causes cats to be orange. A special gene is responsible for the ...

Learn more. Lowi is a black male cat and weighs 10 pounds, and Toon Toon is a black-and-orange calico, 13 pounds. They are both 6 1/2 years old. A bonded pair of lovely cats, Lowi and Toon Toon ...

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.

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 ...

Photos shared of the cats show that the mother is an adult tortoiseshell, and the kittens are orange, black and calico. "May all your socks be slightly damp for eternity. May every chair you sit ...