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Sep 2014
2m 37s

Most Tibetans Genetically Adapted to the...

Scientific American
About this episode
Ninety percent of Tibetans share a genetic mutation that prevents their blood from becoming dangerously clogged with red blood cells at high altitudes—a response that can be deadly for non-native mountaineers. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices 
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