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History
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The hypothetical divergence of Haplogroup R and its descendants.
The hypothetical divergence of Haplogroup R and its descendants.
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Overhunting pushed the northern elephant seal to the brink of extinction by the late 19th century. Although they have made a comeback, the genetic var
Overhunting pushed the northern elephant seal to the brink of extinction by the late 19th century. Although they have made a comeback, the genetic variation within the population remains very low.