>>redheads
Here’s a red pill for you There are two types of melanin and both types are each connected to different genes. Eumelanin is responsible for black and brown shades. A supersaturation if melanin produces a very dark skinned individual with dark brown eyes and black hair.
People who evolved in northern climes not only lost their ability to produce eumelanin some 15000 years ago, they lost the entire gene it is tied to.
And they evolved a different gene and a different melanin known as pheomelanin. Pheomelanin is responsible for red and yellow shades. And a super saturation of pheomelanin produces a ginger.