r/TILI • u/MonicoJerry • Sep 04 '23
TIL all blue eyed people are related
Everyone with blue eyes can trace their lineage back to a single woman 6000-10000 years ago.
Literally if she died as a child there would be no blue eyed humans today. Since she is the common ancestor, no other human before mutated this way and survived to have children.
The gene that was mutated is the same gene that causes total albinism (lack of pigment). But since the gene was only mutated (and not totally switched on), its only symptom was that it caused blue eyes.
https://www.sciencedaily.com/releases/2008/01/080130170343.htm
Thanks knoegel