Ethnic Admixture Composition of Two Western Amazonian Populations

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2002 English Publisher:Project MUSEJournal:Human Biology, volume 74, pages 607-614 (eissn: 1534-6617,

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Authors: R G M, Ferreira; M M, Moura; V, Engracia; R C, Pagotto; F P, Alves; L M A, Camargo; L H Pereira, Silva; +3 Authors

doi: 10.1353/hub.2002.0041

pmid: 12371686

Ethnic Admixture Composition of Two Western Amazonian Populations

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Abstract

A small riverine community, Portuchuelo (8 degrees 37'S, 63 degrees 49'W), and a rural county, Monte Negro (10 degrees 15'S, 63 degrees 18'W), both in the state of Rondĵnia, Brazil, were studied for the purposes of ascertaining health conditions and the causes of the variability of some infectious diseases. The sample included 181 inhabitants of Portuchuelo and 924 of Monte Negro. Data on 11 blood polymorphisms (ABO, Rh, MNSs, Kell, Fy, haptoglobin, hemoglobin, ACP1, PGM1, GLO1, and CA2) were used to determine the ethnic composition of the inhabitants of Portuchuelo and Monte Negro. The contributions of Africans, Amerindians, and Europeans to the ethnic composition of the studied populations were, respectively, 0.21 +/- 0.046, 0.44 +/- 0.064, and 0.35 +/- 0.069 in Portuchuelo; and 0.25 +/- 0.032,0.12 +/- 0.046, and 0.63 +/- 0.054 in Monte Negro.

Related Organizations

Universidade de São Paulo
Brazil
UNIVERSIDADE DE SAO PAULO
Brazil

Keywords

Rural Population, Genetics, Population, Polymorphism, Genetic, Gene Frequency, Blood Group Antigens, Ethnicity, Humans, Brazil

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