Barsh and his colleagues saw that all 145 orange cats they studied, as well as 6 calico and tortoiseshell cats (which also ...

To figure out what causes orange fur in cats, geneticist Greg Barsh ... and instructs melanocytes to produce red/yellow pheomelanin instead of black/brown eumelanin, the researchers reported ...

All of the cat’s whiskers and claws were in place, and its thick fur remained a vibrant reddish-brown with paler markings around its chin, much like any old house cat today. “The mummy body is ...