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Group-specific component (Gc) subtypes in the Indian subcontinent.

S S Papiha¹, I White, B N Singh

¹Department of Human Genetics, University of Newcastle upon Tyne, UK.

|January 1, 1987

Summary

Gc subtypes in Indian populations reveal significant genetic differentiation among tribal groups compared to caste and Muslim populations. These variations are likely influenced by breeding patterns and historical connections, with natural selection as a potential factor.

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Area of Science:

Population genetics
Human genetics
Anthropology

Background:

Genetic diversity studies are crucial for understanding human migration and adaptation.
The Indian subcontinent harbors immense ethnic and cultural diversity, making it a key region for population genetic research.

Purpose of the Study:

To investigate the genetic variation of Gc (Vitamin D Binding Protein) subtypes across diverse socio-cultural groups in the Indian subcontinent.
To compare the genetic differentiation at the Gc locus among tribal, caste, and Muslim populations.

Main Methods:

Analysis of Gc subtypes in 14 distinct socio-cultural groups from the Indian subcontinent.
Comparative statistical analysis of genetic differentiation across different population categories.

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Main Results:

Tribal populations exhibited significantly higher genetic differentiation at the Gc locus compared to caste and Muslim groups.
Distinct patterns of Gc subtype distribution were observed between tribal and non-tribal populations.

Conclusions:

The observed genetic disparities in Gc subtypes are strongly associated with the unique breeding structures and historical affiliations of tribal populations.
While reproductive isolation is a primary driver, the potential role of natural selection in shaping Gc subtype frequencies cannot be excluded.