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  • Heres what made those brown eyes blue - More health news - MSNBC.com

    Genetic mutation makes those brown eyes blue How did actress Reese Witherspoon get those big blue eyes? A team of scientists has found that blue eyes are linked to a genetic mutation that occurred between 6,000 and 10,000 years ago. From the page: People with blue eyes have a single, common... more

    Reviewed by rod42 Jul 15, 09:38am ( 26 reviews ) • msn.com

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  • Rated by SeventiesGirl70 on Jul 21, 10:29pm

    Blue eyes are so pretty. And this article explains what makes blue eyes. Interesting.

  • Rated by shreyam on Jul 20, 7:08am

    Scientists find that blue-eyed individuals have a single, common ancestor

  • Rated by CutestPrincess on Jul 15, 10:34am

    Genetic mutation makes those brown eyes blue How did actress Reese Witherspoon get those big blue eyes? A team of scientists has found that blue eyes are linked to a genetic mutation that occurred between 6,000 and 10,000 years ago.

  • Rated by rod42 on Jul 15, 9:38am

    Genetic mutation makes those brown eyes blue How did actress Reese Witherspoon get those big blue eyes? A team of scientists has found that blue eyes are linked to a genetic mutation that occurred between 6,000 and 10,000 years ago. From the page: People with blue eyes have a single, common ancestor, according to new research. A team of scientists has tracked down a genetic mutation that leads to blue eyes. The mutation occurred between 6,000 and 10,000 years ago, so before then, there were no blue eyes. "Originally, we all had brown eyes," said Hans Eiberg from the Department of Cellular and Molecular Medicine at the University of Copenhagen. The mutation affected the so-called OCA2 gene, which is involved in the production of melanin, the pigment that gives color to our hair, eyes and skin. "A genetic mutation affecting the OCA2 gene in our chromosomes resulted in the creation of a 'switch,' which literally 'turned off' the ability to produce brown eyes," Eiberg said.

  • Rated by geojim56 on Jul 14, 8:16am

    From the page: "People with blue eyes have a single, common ancestor, according to new research. A team of scientists has tracked down a genetic mutation that leads to blue eyes. The mutation occurred between 6,000 and 10,000 years ago, so before then, there were no blue eyes."

  • Rated by wscbrown on Jul 13, 10:03pm

    Obvious. Any new trait that can be passed on genetically is caused by various mutations. Also, I find it seriously presumptuous to claim that they we all have just one ancestor. Like it couldn't have possibly happened again on this planet? Really? And yet this recessive gene is incredibly prominent on this globe. Actually, doesn't Gregor Mendel Contradict this, because you would have to have 2 of these recessive genes to produce offspring with blue eyes... I'm not buying it.