While tortoiseshell coats are common in female cats, they're incredibly rare in males. Here's why this coat pattern is so ...

Recent advances in genetics have revealed that the secret ... This process results in mosaic patterns in female cats, leading to unique patterns like those of calico or tortoiseshell cats, where ...

If humans had an X-linked biallelic coat color gene, as cats do, then female mosaicism would be as evident in humans as it is in calico cats. This outcome of X inactivation is not immediately ...

Researchers have long recognized this possibility, but a paper published today (July 31) in The American Journal of Human Genetics attempts to better quantify the phenomenon of mosaicism. The authors ...