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Blood Groups, Serum Proteins and Hemoglobins of Brazilian Tiriyo Indians

F. M. Salzano, J. P. Woodall, F. L. Black, L. R. Weitkamp, M. Helena and L. P. Franco
Human Biology
Vol. 46, No. 1 (February 1974), pp. 81-87
Stable URL: http://www.jstor.org/stable/41459930
Page Count: 7
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Blood Groups, Serum Proteins and Hemoglobins of Brazilian Tiriyo Indians
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Abstract

A population living in the border of Brazil and Surinam was studied with regard to 21 genetic markers from 13 independent systems. No marked heterogeneity was observed among this group and two others from the same tribe investigated by other researchers. The frequencies of genes LMs, Fya and Hp¹ are in the upper third of the distribution range observed among South American Indians; those for R¹ and R² are in the middle, while LMS, LNS, LNs, R², Dia, and especially P¹ and Gc² present low values. All individuals were apparently homozygous for genes k, Tfc, HbA, AlA, and lacked Wra. Some evidence was obtained of limited admixture but for the most part this population appears to retain an unmodified Amerindian gene pool.

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