Thursday, October 12, 2023

People With Blue Eyes

 From Ancient Pages:

About 6,000-10,000 years ago, an interesting mutation resulted in the emergence of blue eyes.

Before that, all people on Earth had brown eyes. If you have blue eyes, you have more in common with other blue-eyed individuals than you once thought. Scientists have been able to confirm that all people with blue eyes have one common ancestor. This person originated from the region around the north of the Black Sea following the last Ice Age.

Researchers from the University of Copenhagen examined mitochondrial DNA and compared the eye color of blue-eyed individuals in countries as diverse as Jordan, Denmark, and Turkey.

"A genetic mutation affecting the OCA2 gene in our chromosomes resulted in the creation of a "switch", which literally "turned off" the ability to produce brown eyes," Professor Eiberg from the Department of Cellular and Molecular Medicine at the University of Copenhagen, Denmark said. (Read more.)


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