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Gm allotypes and racial admixture in two Brazilian populations

✍ Scribed by H. Schneider; F. M. Salzano

Publisher
Springer
Year
1979
Tongue
English
Weight
379 KB
Volume
53
Category
Article
ISSN
0340-6717

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✦ Synopsis

The Gm types of 515 inhabitants of BelΓ©m and 395 inhabitants of Porto Alegre, Brazil were studied in an attempt to quantitatively estimate ethnic parental contributions. The people from BelΓ©m can be characterized as 24% black, 22% Indian, and 54% Caucasian. The Porto Alegre blacks seem to have inherited as much as 53% of their genes from Caucasian ancestors, while the whites living there have inherited 8% of their genes from African ancestors. The admixture values obtained for BelΓ©m are very similar if just the Gm system is considered or it plus seven other loci are considered, emphasizing the high efficiency of the Gm markers in such analyses.

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Gm, Am and Km immunoglobulin allotypes o
Gm, Am and Km immunoglobulin allotypes of two populations in Tunisia
✍ G. Lefranc; Gerda Lange; Liliane Rivat; A. Langancy; Marie-Paule Lefranc; Fariel πŸ“‚ Article πŸ“… 1979 πŸ› Springer 🌐 English βš– 618 KB

Gm, Am and Km allotypes were investigated in two Tunisian populations (236 samples from Mahdia and 142 samples from Sfax). These populations descend from immigrants and, therefore, the results were compared with those obtained in other populations living in the Near East and in North Africa. The sub