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Native American populations descend from three key migrations, scientists say

Native American populations descend from three key migrations, scientists say
Scientists have found that Native American populations -- from Canada to the southern tip of Chile -- arose from at least three migrations, with the majority descended entirely from a single group of First American migrants that crossed over through Beringia, a land bridge between Asia and America that existed during the ice ages, more than 15,000 years ago. By studying variations in Native American DNA sequences, the international team found that while most of the Native American populations arose from the first migration, two subsequent migrations also made important genetic contributions. The paper is published in the journal Nature July 11. "For years it has been contentious whether the settlement of the Americas occurred by means of a single or multiple migrations from Siberia," said Professor Andres Ruiz-Linares (UCL Genetics, Evolution and Environment), who coordinated the study. "But our research settles this debate: Native Americans do not stem from a single migration.

http://www.sciencedaily.com/releases/2012/07/120711134710.htm

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American Indian Tribes Map Abenaki Acoma Algonquin Anishinaabe Apache Arapaho Assiniboine Athabascan Aztec Blackfeet Blackfoot Caddo Cayuga Cheraw Cheyenne Chickasaw Chicora Chinook Chippewa Choctaw Chumash Coeur d'Alene Comanche Costanoan Cree Creek (Muskogee) Crow Dakota Delaware Dene Edisto Euchee Flathead Gros Ventre Gwitchan Haida Haudenosaunee Havasupai Hidatsa Ho-Chunk Hopi Huron Iowa Iroquois Kaw Kawaiisu Kickapoo Kiowa Lakota Lenape Lumbee Maliseet Mandan Mattaponi Maya Menominee Metis MicMac Mojave Mohawk Mohegan Mohican Monacan Muscogee Nanticokes Narragansett Navajo Nez Perce Nipmuc Odawa Ohlone Ojibwe Omaha OneidaOnondaga Osage Paiute Pima Ponca Potawatomi Powhatan Pueblo Quapaw Sac Salish Seminole Seneca Shawnee Shinnecock ShoshoneSioux Tsalagi Tuscarora Ute Wea Wichita Winnebago Wyandot Yavapai Yokut Zuni " I was born upon the prairie where the wind blew free, and there was nothing to break the light of the sun. I was born where there were no enclosures, and where everything drew free breath.

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