Frank Sinatra's were legendary, Paul Newman's melted a million hearts while Cameron Diaz's dazzle in modern Hollywood. But how - and why - blue eyes arose has always been something of a genetic mystery. Until now. According to a team of researchers from Copenhagen University, a single mutation which arose as recently asyears ago was responsible for all the blue-eyed people alive on Earth today. The team, whose research is published in the journal Human Genetics, identified a single mutation in a gene called OCA2, which arose by chance somewhere around the northwest coasts of the Black Sea in one single individual, about 8, years ago. The gene does not make blue in the iris; rather, it turns off the mechanism which produces brown melanin pigment. And most people still do. The finding that a rare mutation, probably dispersed in the rapid wave of colonisation that followed the end of the last ice age, highlights one of the great mysteries of human evolution: the oddness of Europeans.
Accurate Republish this article We believe all the rage the free flow of information. Announce the original article. Professor Mark Elgar For every people in the earth, only one or two will allow red hair. And when you assemble a red head with blue eyes, you are looking at the rarest colour combination of all for being beings. The odds of having equally red hair and blue eyes sits at around 0. Picture: Shutterstock About 17 per cent of people allow blue eyes, and when combined along with per cent having red hairthe chance of having both traits are about 0.
This article is more than 11 years old Why do men find fair-haired women so very attractive? Carole Jahme This article is more than 11 years old Carole Jahme shines the cold light of evolutionary psychology arrange everyday life. Blonde hair is about certainly a sexually selected trait all the rage women. This seems to be accurate of a lot of men. Ask Carole: Chimpanzee wearing spectacles Photograph: Broadcast Domain Carole replies: Ten years afterwards he published On the Origin of Species in , Darwin started en route for research the sexual selection of fair-haired hair in women in preparation designed for his book The Descent of Be in charge of and Selection in Relation to Femininity , which was published in Unfortunately he was unable to achieve enough data to support his assumption that blonde hair is sexually certain and had to drop the area of interest.
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