www.tripolipost.com/articledetail.asp?c=12&i=3103 -
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Published on: 1/5/2009
Last Visited: 7/9/2009
Christopher Ehret of the department of history at the University of California, Los Angeles, compared genetic variation among people to variations in language.
There are an estimated 2,000 distinct language groups in Africa broken into a few broad categories, often but not always following gene flow.
Movement of a language usually involves arrival of new people, Ehret noted, bringing along their genes.
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Ehret added that only about 20 percent of the Africans brought to North America made the trip directly, while most of the rest went first to the West Indies.
And, he added, some local African-American populations, such as the residents of the sea islands off Georgia and South Carolina, can trace their origins to specific regions such as Sierra Leone and Guinea.