In 2024, after 60 years of searching, geneticists finally identified the gene behind the marmalade coloration in domestic ...

Such a pattern results from a genetic process known as piebalding, whereby patches of colored fur possess white, unpigmented patches. Calico cats represent an enchanting mixture of orange ...

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 ...

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.