but the level of pheomelanin determines where a cat’s fur coloring falls on a scale of yellow to red. That means that orange cat breeds can also commonly be born with red or yellow fur of ...

We know, too, that orange cats are most often male ... In most mammals, humans included, red hair is caused by mutations in a cell surface protein (Mc1r) that determines whether melanocytes ...

leading to red hair and fair skin. It would be simple to assume that the MC1R gene is also responsible for orange fur in cats—but this is not the case. Scientists noticed that most cats with ...