If You Have Blue Eyes — DNA Finally Revealed Where They Really Come From
The DNA Revolution
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If You Have Blue Eyes — DNA Finally Revealed Where They Really Come From
2 836 просмотров · 3 дн. назад
The DNA Revolution
834 подписчика
2 836 просмотров · 3 дн. назад
In February 2018, scientists in London lifted a cloth from a 10,000-year-old reconstructed head. The face had dark brown skin, tightly curled dark hair, and pale blue eyes. Nobody expected that combination, and it forced a question: if one of the oldest Britons had blue eyes, what had we been told about where blue eyes come from, and how much of it was wrong? The real trail leads away from Scandinavia, across the Eurasian steppe, through the Pamir Mountains, and into the deserts of western China. And that’s just one thread in a much bigger story about what DNA reveals about your origins.
In this video, we break down:
✅ How Cheddar Man’s DNA overturned everything we assumed about blue eyes
✅ The 2008 Copenhagen study that traced blue eyes to a single founder
✅ Why blue eyes aren’t really blue, and what Tyndall scattering has to do with it
✅ The single-letter change in the HERC2 gene that acts as a dimmer switch for OCA2
✅ Why the first blue-eyed person probably had brown eyes
✅ The dark-skinned, blue-eyed hunters of Ice Age Europe: La Braña, Loschbour, Bichon, and Villabruna
✅ How the Yamnaya steppe herders carried the variant west into Europe and east into Asia
✅ Blue eyes among the Pamiris, Wakhi, Hazara, Uyghurs, and the Kalash
✅ What the 4,000-year-old Tarim mummies’ DNA really revealed
✅ Why Northern Europe ended up with so many blue eyes, and why the trait is now shrinking
Your eye color is a faded ancient map that points east as much as it points north.
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#BlueEyes #DNA #Genetics #Ancestry #HumanOrigins #CheddarMan
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