All blue-eyed people have one ancestor in common ... The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for wasn't there at all. The mutation was found ...
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The Healthy @Reader's Digest on MSNThis Is One of the Rarest Facial Features in the WorldPeople with heterochromia have a striking appearance. Are you among them? Doctors reveal three ways to detect it. The post ...
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The Body Optimist on MSNEyes of this color are the rarest (less than 1% of the world population)Eyes, those fascinating windows to our souls, are also incredibly varied. From a vibrant blue to a warm brown, each shade ...
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