Extinct human cousin gave Tibetans advantage at high elevation
Berkeley CA (SPX) Jul 04, 2014 - Tibetans were able to adapt to high altitudes thanks to a gene picked up when their ancestors mated with a species of human they helped push to extinction, according to a new report by University of California, Berkeley, scientists. An unusual variant of a gene involved in regulating the body's production of hemoglobin - the molecule that carries oxygen in the blood - became widespread in ... more

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