Founding Families: New World was settled by small tribe | Science News

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Founding Families: New World was settled by small tribe

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9:30am, May 25, 2005

A geneticist armed with computer simulations of prehistoric populations says that only about 200 to 300 people crossed the ice age land bridge from Asia to become the founding population of North America. Of that pioneering group, there were just 70 adults of reproductive age, contends Jody Hey of Rutgers University in Piscataway, N.J.

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