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 ...

Per reports, it is rare for a biological male Calico Cats to have two chromosomes, as only 1 in every 3,000 has XXY ...

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 ...