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J Hum Genet. 2005;50(1):49-51. Epub 2004 Dec 21.

Genetic affinity among five different population groups in India reflecting a Y-chromosome gene flow.

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  • 1National Centre of Applied Human Genetics, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.


Four binary polymorphisms and four multiallelic short tandem repeat (STR) loci from the nonrecombining region of the human Y-chromosome were typed in different Indian population groups from Uttar Pradeh (UP), Bihar (BI), Punjab (PUNJ), and Bengal (WB) speaking the Indo-Aryan dialects and from South India (SI) with the root in the Dravidian language. We identified four major haplogroups [(P) 1+, (C and F) 2+, (R1a) 3, (K) 26+] and 114 combinations of Y-STR haplotypes. Analyses of the haplogroups indicated no single origin from any lineage but a result of a conglomeration of different lineages from time to time. The phylogenetic analyses indicate a high degree of population admixture and a greater genetic proximity for the studied population groups when compared with other world populations.

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