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Origin of Amerindian Y-chromosomes as inferred by the analysis of six polymorphic markers by Néstor O. Bianchi; Graciela Bailliet; Claudio M. Bravi; Raúl F. Carnese; Francisco Rothhammer; Verónica L. Martínez-Marignac; Sergio D. J. Pena is a Arts and Humanities article available to read on EtoBox.
What is Origin of Amerindian Y-chromosomes as inferred by the analysis of six polymorphic markers about?
We analysed the frequency of six Y-specific polymorphisms in 105 Amerindian males from seven different populations, 42 Caucasian males, and a small number of males of African, Chinese, and Melanesian origin. The combination of three of the six polymorphisms studied produced four different Y-haplogroups. The haplogroup A (non-variant) was the most frequent one. Eighty-five percent of Amerindians showing haplogroup A have the alphoid II (ahII) and the DYS19A Y-specific markers, an association that is found only in 10% of Caucasians and that has not been detected in Asiatics and Africans. Haplogroups C (YAP1) and D (YAP1 plus an A = G transition in the locus DYS271) are of African origin. Four percent of Amerindians and ,12% of Caucasians showed haplogroup C; ,1% of Amerindians and ,2% of Caucasians had haplogroup D. Haplogroup B is characterized by a C = T transition in nucleotide position 373 of the SRY gene domain; this haplogroup is found in Caucasians (,12%) and Amerindians (,4%). None of the Amerindians exhibiting the haplogroups B, C, or D show the haplotype ahII/ DYS19A. By haplotyping the Alu insert and the DNA region surrounding the insert in YAP1 individuals, we could demon
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- Author
- Néstor O. Bianchi; Graciela Bailliet; Claudio M. Bravi; Raúl F. Carnese; Francisco Rothhammer; Verónica L. Martínez-Marignac; Sergio D. J. Pena
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square (ISSN 0002-9483)
- Published
- 1997
- Language
- EN
- Field
- Arts and Humanities (Social Sciences)