Article
Mitochondrial DNA "clock" for the Amerinds and its implications for timing their entry into North America.
Proceedings of the National Academy of Sciences of the United States of America - 1 Feb 1994
Torroni A, Neel J V, Barrantes R, Schurr T G, Wallace D C
Abstract excerpt
Students of the time of entry of the ancestors of the Amerinds into the New World are divided into two camps, one favoring an "early" entry [more than approximately 30,000 years before the present (YBP)], the other favoring a "late" entry (less than approximately 13,000 YBP). An "intermediate" date is unlikely for geological reasons. The correlation of the appropriate data on mtDNA variation in Amerinds with...
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