期刊
HUMAN BIOLOGY
卷 80, 期 5, 页码 483-499出版社
WAYNE STATE UNIV PRESS
DOI: 10.3378/1534-6617-80.5.483
关键词
ALU INSERTION; GENETIC DIVERSITY; NORTH INDIAN POPULATIONS; CASTE SYSTEM; HUMAN EVOLUTION
The Indian subcontinent is characterized by the ancestral and cultural diversity of its people. Genetic input from several unique source populations and from the unique social architecture provided by the caste system has shaped the current genetic landscape of India. In the present study 200 individuals each from three upper-caste and four middle-caste Hindu groups and from two Muslim populations in North India were examined for 10 polymorphic Alu insertions (PAIs). The investigated PAIs exhibit high levels of polymorphism and average heterozygosity. Limited interpopulation variance and genetic flow in the present study suggest admixture. The results of this study demonstrate that, contrary to common belief, the caste system has not provided an impermeable barrier to genetic exchange among Indian groups.
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