sexta-feira, 24 de maio de 2013

O segredo dos olhos azuis

Blue-Eyed Humans Have A Single, Common Ancestor

Jan. 31, 2008 — New research shows that people with blue eyes have a single, common ancestor. A team at the University of Copenhagen have tracked down a genetic mutation which took place 6-10,000 years ago and is the cause of the eye colour of all blue-eyed humans alive on the planet today.

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