Female gene flow stratifies Hindu castes

Michael J. Bamshad (), W. Scott Watkins (), Mary E. Dixon (), Lynn B. Jorde (), B. Bhaskara Rao, J. M. Naidu, B. V. Ravi Prasad, Arani Rasanayagam and Mike F. Hammer
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Michael J. Bamshad: Eccles Institute of Human Genetics, University of Utah
W. Scott Watkins: Eccles Institute of Human Genetics, University of Utah
Mary E. Dixon: Eccles Institute of Human Genetics, University of Utah
Lynn B. Jorde: Eccles Institute of Human Genetics, University of Utah
B. Bhaskara Rao: Andhra University
J. M. Naidu: Andhra University
B. V. Ravi Prasad: Andhra University
Arani Rasanayagam: Laboratory of Molecular Systematics and Evolution, University of Arizona
Mike F. Hammer: Laboratory of Molecular Systematics and Evolution, University of Arizona

Nature, 1998, vol. 395, issue 6703, 651-652

Abstract: Abstract Scientists have long been interested in understanding how social processes modulate evolutionary forces1. A good example of this is the intensively studied Hindu caste system, which governs the mating practices of nearly one-sixth of the world's population2,3. However, there is controversy concerning the effect of social stratification on the genetic structure of caste communities. Here we show that differences in social rank between castes correspond to mitochondrial DNA (mtDNA) distances between castes but not genetic distances estimated from Y-chromosome data.

Date: 1998
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DOI: 10.1038/27103

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