The blue eyes that many of us have are derived from the same mutation. It occurred once and all of us with blue eyes are related back to that incident.
Blue-Eyed Humans Have A Single, Common Ancestor
Date:January 31, 2008
Source:University of Copenhagen
Summary:New research shows that people with blue eyes have a single, common ancestor. Scientists have tracked down a genetic mutation which took place 6,000-10,000 years ago and is the cause of the eye color of all blue-eyed humans alive on the planet today.
Thanks...interesting item
I think it’s got to be older than 10k bp . Cheddar Man is that old.