Male Tortoiseshell cats are incredibly rare, and their unusual coloring comes down to a fascinating genetic quirk.

Orange cats are among the most recognizable felines in the world. From beloved internet celebrities to mischievous household pets, their bright ginger coats have captured our attention for generations ...

Orange and tortoiseshell house cats (torties) have long been an enigma for hair coloration in mammals: now, the genetic basis of their distinctive coat color has been unveiled. Orange isn't the most ...

Nine thousand years ago, humans began domesticating cats. Nine hundred years ago, before the advent of intentional cat breeding, a genetic mutation gave rise to the first orange cat. Days ago, ...

Recently, a unique kitten came through the doors of Marin Humane. In fact, little Luigi is 1 in 3,000. Those are the chances of a tortoiseshell feline being a male. This unusual coloring, known for ...

Add Yahoo as a preferred source to see more of our stories on Google. Calico cat eyes© Michele Walls/Shutterstock.com The post How a Single Genetic Switch Creates Orange, Calico, and Tortoiseshell ...