Stanford Medicine researchers discover mechanisms of sex-linked genetic mutation giving rise to ginger felines.

Wiggles has a few other friends that are looking for homes, cats and dogs alike! Feel free to check them out online or in ...

Many animals have orange hair, including some humans ... be on the X chromosome because of the skewed sex ratio — it also explains why calico and tortoiseshell cats, which have patches of orange mixed ...

the pigments that give hair its color. Calico cats have X chromosomes that have two variants of the gene ARHGAP36. In orange patches of fur, the active chromosome (red) contains a deletion mutation in ...

Dog breeds that are especially vulnerable include various types of terriers, boxers and bulldogs; in cats, it’s Persians, ...

The only exception is the Norwegian forest cat, which manifests as orange because of the same genetic trait that causes red hair in humans ... as tortoiseshell or calico. These mottled and ...

It has been known for decades that it is genetics that gives orange tabby cats their distinctive colouring, but exactly where ...

From Tama, Japan's most famous stationmaster calico cat, to the lasagna-loving ... the process that produces pigment in skin and hair. Through a not yet known mechanism, the team believes this ...

Researchers identified an unusual genetic mutation in orange domestic cats that has not been found in any other animal, ...

Calm, gentle and overflowing with fur, the beautiful Norwegian Forest Cat is a sight to behold. As its name suggests, this ...

(Shae Hammond/Bay Area News Group) The only exception is the Norwegian forest cat, which manifests as orange because of the same genetic trait that causes red hair in humans. Stanford Medicine’s ...