A lot of it is just various levels of de-melanization. We get one freakish mutation that results in people with little to no melanin and a bunch of different hair and eye colors pop up.
desperately, and the further north the genes go, the more desperate the deficiency.
hence why you start getting blonde and red at the highest european latitudes.
A lot of it is just various levels of de-melanization. We get one freakish mutation that results in people with little to no melanin and a bunch of different hair and eye colors pop up.
So the answer is desperately trying to avoid vitamin D deficiency?
desperately, and the further north the genes go, the more desperate the deficiency. hence why you start getting blonde and red at the highest european latitudes.