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ATLANTIS & the Atlantic Ocean 1 (ORIGINAL)

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Author Topic: ATLANTIS & the Atlantic Ocean 1 (ORIGINAL)  (Read 9647 times)
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« Reply #465 on: December 29, 2007, 12:39:51 pm »


Member # 2991

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   posted 04-15-2006 12:21 PM                       
HLA genes in Mexican Mazatecans, the peopling of the Americas and the uniqueness of Amerindians.

Arnaiz-Villena A, Vargas-Alarcon G, Granados J, Gomez-Casado E, Longas J, Gonzales-Hevilla M, Zuniga J, Salgado N, Hernandez-Pacheco G, Guillen J, Martinez-Laso J.

Department of Immunology, Hospital 12 de Octubre, Universidad Complutense, Madrid, Spain.

The HLA allele frequency distribution of the Mexican Mazatecan Indians (Olmec culture) has been studied and compared with those of other First American Natives and worldwide populations (a total of 12,100 chromosomes; 6,050 individuals from 59 different populations). The main conclusions are: 1) An indirect evidence of Olmec and Mayan relatedness is suggested, further supporting the notion that Olmecs may have been the precursors of Mayans; 2) Language and genetics do not completely correlate in microenvironmental studies; and 3) Peopling of the Americas was probably more complex than postulated by Greenberg and others (three peopling waves). Significant genetic input from outside is not noticed in Meso and South American Amerindians according to the phylogenetic analyses; while all world populations (including Africans, Europeans, Asians, Australians, Polynesians, North American Na-Dene Indians and Eskimos) are genetically related. Meso and South American Amerindians tend to remain isolated in the Neighbor-Joining, correspondence and plane genetic distance analyses.

PMID: 11144288 [PubMed - indexed for MEDLINE]

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