In a recent post, gorgeous Persian Cat Baby Mango makes an appearance for a fun play session, and her one-of-a-kind fur color ...

The "tiny," one-pound kitten, named Cinder, is a "male tortoiseshell ... "tens of thousands of cat surgeries" throughout her career — and "only seen one other male calico and only a handful ...

A prime example of X inactivation is in the coat-color patterning of tortoiseshell or calico cats (Figure 1). In cats, the fur pigmentation gene is X-linked, and depending on which copy of the X ...

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. https://be.chewy.com ...