For nearly a century now, most scholars have agreed that the ancestors of Native Americans likely hailed from Siberia, trekking across the Bering Strait to Alaska via a long-gone land bridge.
But certain aspects of the historic migration—including the settlers’ specific region of origin, when exactly they left it and what drove them to seek new lands—remain matters of debate to this day. A new DNA-based study published today in the American Journal of Human Genetics offers new insight into these questions.
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