I have a soft spot in my heart for mama cats. After all I adopted my own beloved cat soon after she gave birth in a friend’s ...

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 ...