However, some descriptors of cats are not actual breeds. Both tortoiseshell and calico fall into this category. They are not ...

Melanocytes from orange cats were found to make 13 times as much RNA from the gene Arhgap36. The gene is located on the X ...

Now, two studies have finally identified the genetic key to this mystery, solving a puzzle first theorized in 1912. The studies, conducted independently by Japanese and American research teams, have ...

They need a name as beautiful and unique as their distinct coats. Tortoiseshell cats get their name from the mottled color ...

Two new, preliminary papers identify a gene related to a cat’s coloration. The work also explains why tortoiseshell and calico cats tend to be females Gayoung Lee The genetic basis for orange ...

Tortoiseshell cats have a brindling pattern (mixture) of orange and non-orange hairs throughout the coat, with some areas mostly orange or non-orange. Calico cats have distinct patches of orange ...

After 60 years of searching, geneticists have finally identified the gene behind the marmalade coloration in domestic cats.

Tortoiseshell cats have a brindling pattern (mixture) of orange and non-orange hairs throughout the coat, with some areas mostly orange or non-orange. Calico cats have distinct patches of orange ...

But female kittens can have a calico's patchwork of black, orange and white, or a tortoiseshell's marbling of orange scattered through black fur. A tortoiseshell cat. (Yosei G/Unsplash ...

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 ...