Only in rare cases where a cat has an abnormal number of ... creates a reddish hue. Ginger people only make pheomelanin while dark-skinned people produce eumelanin. All other skin tones and ...

However, studies showed that most orange cats do not have Mc1r mutations, leaving researchers perplexed. The Mc1r protein determines whether skin cells called melanocytes produce dark pigment or ...

Ginger cats are very much part of the collective imagination ... This protein instructs melanocytes to produce either dark or light pigment with red-yellow highlights. When it is less active ...