Population differentiation of southern Indian male lineages correlates with agricultural expansions predating the caste system.

doi:10.1371/journal.pone.0050269

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Population differentiation of southern Indian male lineages correlates with agricultural expansions predating the caste system.

PloS one - 1 Jan 2012

Arunkumar Ganeshprasad, Soria-Hernanz David F, Kavitha Valampuri John, Arun Varatharajan Santhakumari, Syama Adhikarla, Ashokan Kumaran Samy, Gandhirajan Kavandanpatti Thangaraj, Vijayakumar Koothapuli, Narayanan Muthuswamy, Jayalakshmi Mariakuttikan, Ziegle Janet S, Royyuru Ajay K, Parida Laxmi, Wells R Spencer, Renfrew Colin, Schurr Theodore G, Smith Chris Tyler, Platt Daniel E, Pitchappan Ramasamy

Abstract excerpt

Previous studies that pooled Indian populations from a wide variety of geographical locations, have obtained contradictory conclusions about the processes of the establishment of the Varna caste system and its genetic impact on the origins and demographic histories of Indian populations. To further investigate these questions we took advantage that both Y chromosome and caste designation are paternally inherited,...

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PMID: 23209694
DOI: 10.1371/journal.pone.0050269
PMCID: PMC3508930

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