All blue-eyed individuals are linked to the same ancestor," Dr. Eiberg said. "They have all inherited the same switch at exactly the same spot in their DNA."The mutations responsible for blue eye colour most likely originate from the north-west part of the Black Sea region, where the great agricultural migration of the northern part of Europe took place in the Neolithic periods about 6,000 to 10,000 years ago. more. <embed src="http://cognitivelabs.com/swfs/blueeye.swf"height="520"width="520"></embed> <br><script type="text/javascript" id="wa_u"></script><script type="text/javascript" src="http://cognitivelabs.com/cognitive.js""></script> embed   add to your site  |  games  | share
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