In most other mammals, like dogs, sheep, rabbits, and horses, mutations in a protein called Mc1r lead to red hair color, but ...

Yet humans seem to have a sweet spot for orange cats. Videos of their antics fill the internet, and gingers get the leading roles in TV and movies too (think: Garfield, Heathcliff, and Puss in Boots).

The work also explains why tortoiseshell and calico cats tend to be females Gayoung Lee The genetic basis for orange cats' coloration has long been unknown to scientists. oxygen via Getty Images ...

What exactly gives some of our furry friends their signature orange fur? Geneticists say it's actually been a mystery for more than 60 years -- until now.

Garfield, star of the eponymous comic strip created by Jim Davis in 1978, is, like many of the cats that roam our homes, orange. He is orange in the same way that some people are redheaded ...

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