can make eyes appear brown, hazel, blue or green. The genetics of eye color are very complicated. You can't predict a child's eye color just from looking at the parents' eyes. Even parents who have ...
Eyes come in various colours such as blue, grey, hazel, green and different shades of ... was only around 6,000 – 10,000 years ago, that a genetic mutation popped up in the Black Sea region ...
New research shows that all blue-eyed ... carried a genetic mutation that has now spread across the world. The exact cause remains to be determined, but scientists do know that eye color began ...