The Forum > General Discussion > Blue eyes!
Blue eyes!
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Posted by evolution, Sunday, 11 November 2007 9:39:30 PM
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At a party yesterday I raised the issue of blue eyes for general discussion. The consensus was that the northern hemisphere has longer periods of time covered in snow and that blue eyes afford greater protection against snow glare than brown, so that is why the Vikings et al experienced natural selection for blue eyes - they could see their enemies better and at longer ranges thus had a greater chance for survival than a Viking with brown eyes.
Don't know if there is any substantiation to this but its an interesting comment. People with red hair often process certain minerals poorly in their diet, particularly zinc. This I do know for a fact. Posted by spritegal, Monday, 12 November 2007 8:51:19 AM
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One theory that I came across was that the aboriginal inhabitants of northern Europe had blue eyes. When the Indo-Europeans moved into the continent, some interbred with these people and became predominantly the Germanic branch. Other offshoots appeared in Celtic, Slavic and Italic branches.
Posted by Jack the Lad, Monday, 12 November 2007 5:42:50 PM
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Some interesting stuff on the genetics of eye colour:
http://www.ozpolitic.com/forum/YaBB.pl?num=1188788008/4#4 Posted by freediver, Tuesday, 13 November 2007 1:08:14 PM
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"I myself have blue eyes, and all of my children, also have blue eyes." And lets not forget the love of my life, perfect in every way. But my mother has brown eyes, and to my knowledge, the brown gene should take first place.
Just a little hint! Screen your self and your partner, before you breed. Sorry about that, now back to the point. The question of where blue eyed people began will maybe always remains a mystery, But I still think there is a bigger picture to why we are here. ( meaning, on universal terms). As some of you may know, the nearest blue_green planet is nearly three hundred light years, compared to our pathetic 40 thousand, well you know what I am getting at. Ask your self this! Why have we evolved in this place that we have? Why! are we the only freak of life. Look! If you can put your mind around of how big the univers is, can you say we are still alone?. Posted by evolution, Wednesday, 14 November 2007 10:49:27 PM
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As you can see, I love to throw in the odd curve ball.