Native Americans descended from a single ancestral group, DNA study confirms

DNA evidence shows that Native Americans and Greenlanders are more closely related to each other than to any other existing Asian populations, except those that live at the very edge of the Bering Strait

		IMAGE: A distinct DNA signature was found among all but one of the populations shown as points 32 to 53 on this map. The Fox tribe, point 48, was the exception.... Click here for more information.

For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral Asian population or a number of different populations.