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.
Credit: iStockphoto/Cristian Ardelean
What is the genetic mutation
Limited genetic variation
Nature shuffles our genes
Journal Reference
- Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expressionHuman Genetics | Source: LINK