Abstract
There are approximately 30 million African Americans in the U.S., constituting approximately 12 percent of the population.1 Most of this subpopulation can trace their ancestry to Africans who were brought over as slaves beginning in 1619 to the Jamestown settlement of the British American colonies and later to the United States. During the major period of slave importation from 1700 to 1808, approximately 400,000 Africans entered, almost all from the area of West and West-Central Africa, predominantly from the present countries of Nigeria and Angola. Through admixture with European Americans, African Americans now have an average of 20 percent European American genes.2
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Roseman, J.M., Go, R.C.P., Acton, R.T. (1994). Evidence for the “Genetic Admixture Hypothesis” That the Increased Incidence of IDDM Among African Americans Compared to Africans is Due in Large Part to Susceptibility Gene(s) Which Entered Through Admixture with the European American Gene Pool. In: Dorman, J.S. (eds) Standardization of Epidemiologic Studies of Host Susceptibility. NATO ASI Series, vol 270. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1213-8_28
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DOI: https://doi.org/10.1007/978-1-4899-1213-8_28
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