Examine DNA evidence that links the Himalayan population to ancestors from faraway lands and explains how today’s inhabitants survive at altitude, in this media gallery from NOVA: Secrets of the Sky Tombs. By studying small variations in DNA sequences and comparing them across populations, geneticists determined that early Himalayan settlers came from East Asia. Sequencing also revealed that the Himalayan people survive at high altitude thanks to a second DNA variant inherited from a now-extinct human species. This resource is part of the NOVA Collection.
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