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Million-Year-Old DNA Rewrites Mammoths’ Evolutionary Tree – WIRED

The oldest DNA ever sequenced shows how the genus split off into new species.

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Ancient DNA has revolutionized how we understand human evolution, revealing how populations moved and interacted and introducing us to relatives like the Denisovans, a “ghost lineage” that we wouldn’t realize existed if it weren’t for discovering their DNA. But humans aren’t the only ones who have left DNA behind in their bones, and the same analyses that worked for humans can work for any other group of species.
This story originally appeared on Ars Technica, a trusted source for technology news,…

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