Article: Here’s Why Tibetans Can Live Comfortably At Crazy-High Altitudes
Researchers have discovered they [Tibetan] share a gene with our hominid cousin the Denisovans, who went extinct some 40,000 years ago...Another example of microevolution. A mating, or several, transferred the gene to the human population of the Tibetan Plateau. The gene then spread through the population because it conferred an advantage to those bearing it.
Known as EPAS1, the gene allows Tibetans to absorb scarce oxygen without creating extra red blood cells—something the rest of us mortals must deal with at altitude...
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