Wednesday, July 2, 2014 6:55 pm
PARIS – Tibetans are able to live at high altitude thanks to a special gene they inherited from a mysterious, now-extinct branch of the human family, scientists reported on Wednesday.
The ancestors of today’s Tibetans acquired a key variant of a gene regulating oxygen in the blood when they mated with a species of human called the Denisovans, they said.
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