Apparently, Miley Cyrus is too-because Miley Cyrus’ calico hair just cemented my obsession with the cat-inspired hair color trend. If you’ve sworn off TikTok, you might’ve missed calico hair.

Both tortoiseshell and calico fall into this category. They are not actual breeds of cats but rather are ways to describe the ...

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 ...