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Tobodai
Tsar
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Topic: Hair Color Posted: 17-Sep-2004 at 14:03 |
WHy does it seem like europeans and some middle easterners/central asians are the only people in the world is differing types of hair color, everyone else is either dark brown or black. am curious
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"the people are nothing but a great beast...
I have learned to hold popular opinion of no value."
-Alexander Hamilton
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kroglu
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Posted: 17-Sep-2004 at 19:37 |
Ask Allah....
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Chono
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Posted: 18-Sep-2004 at 13:30 |
Must be some kinda mutation.
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Cywr
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Posted: 18-Sep-2004 at 19:03 |
Camouflage
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Arrrgh!!"
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Cornellia
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Posted: 18-Sep-2004 at 19:53 |
LOL....and I was about to post on genetics and dominant genes......
But I like Cywr's answer better.........
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Felix qui potuit rerum cognoscere causas
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Gubook Janggoon
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Posted: 18-Sep-2004 at 20:25 |
Its to confuse preadators...
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Zagros
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Posted: 19-Sep-2004 at 08:34 |
menalin
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Cywr
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Posted: 19-Sep-2004 at 08:48 |
No, melanin
But yeah, two main types, pheomelanin - redish-blondish, and eumelanin
- dark brown-black. A bit of both gives you the medium brown that is
the average in most of Europe.
Edited by Cywr
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Arrrgh!!"
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Quetzalcoatl
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Posted: 05-Oct-2004 at 02:54 |
WHy does it seem like europeans and some middle easterners/central asians are the only people in the world is differing types of hair color, everyone else is either dark brown or black |
Interesting question. The reason for that is that actually the gene for various hair colour exist in even people like the chinese but they usually occur in pair with another dominant gene and therefore their effect are inhibited. In europe however, their is the possibility that the small group of people carrying the inhibited gene for say blonde hair (yep blonde chinese do exist, and I'm not joking but they are rare just like red hair african) might be more adapted to early european environment. For instance they might produce more vitamin D, vitmanin D is very important for the bones . Eventually they survived ,they breed and their gene become more frequent, despite being not dominant their this genes are favoured by the european landscape. Now imagine this process take thousands of years, therefore a race is change into another without even any mutation, it's just the genes that was previously inhibited in the original population become increasingly more frequent in the new population. Here the environment is essentiall.
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