Genetic distance between four endogamous human populations of saundik vaishya community
Abstract
Among the various communities of Munger district in particular the ‘Saundik Vaishya’ community claim our attention. The community has been preferred owing to the existence of various endogamous groups within it. These groups are basically business oriented and have played important role in the social uplift of the district. Genetic distance (G2) measure is based on the identity of gene or allele between populations. Traditional population genetic analyses deal with the distribution of allele frequencies between and within populations. From these frequencies several measures of population structure can be estimated. One of the most widely used being the genetic distance measures. Genetic distance is the degree of genomic difference between species or populations that is measured by some numerical method. Genetic distance has already been established as one of the major tools for analyzing data on gene differentiation between populations or species. In this study six distance measures were investigated. The value of Genetic Distance, G2 was calculated by taking both (somatoscopic and genetic) characters together. The values for somatoscopic and genetic characters were added together and finally biological distances were calculated cumulatively. It was observed that the minimum genetic/biological distance was between Dhaneshwar and Kalal (0.66) and the maximum distance was between Kalal and Jaiswal (2.19). The study reveals that these populations are at an early stage of genetic differentiation. From the genetic distance analysis there is some evidence of close genetic relationship among the population groups belonging to same region, irrespective of their caste, language, job or any other affinities. In future, it would be interesting to study whether or not the inheritance of these traits or characters is dependent on one another. Our findings suggest that these data would be useful in medical diagnosis and genetic counselling.
Keywords: Endogamous, Genetic distance, Gene pool, Genetic traits, Somatoscopic traits, Saundik Vaishya community.
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Copyright (c) 2020 Saurabh Birla, Kamal Kishor Sinha
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