While you've likely heard of common cat coat types such as tabby and calico, you may not have heard of the torbie. Here's ...

Tortoiseshells and dilute tortoiseshell cats are not actually breeds of cat, but a color pattern that can occur in many different breeds, namely American and British Shorthairs, Maine Coons ...

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 ...