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DNA from Amelia Earhart’s saliva to help solve mystery?

DNA extracted from dried spit found on old envelopes belonging to Amelia Earhart could help researchers solve the mystery of what happened to the pilot.

To get at the DNA-containing saliva, Yang, the geneticist, will first carefully steam the seals open.
Yang is aiming to gather two kinds of DNA from the letters: mitochondrial DNA, which children inherit from their mothers only, and nuclear DNA, which contains the bulk of a person’s genetic information and is housed in each human cell’s nucleus.

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Story: Ker Than, National Geographic News | Photo: George Eastman House/Getty Images

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