Serum samples from a total of 862 unrelated individuals belonging to seven Hindu endogamous caste groups residing in Hyderabad and Warangal cities of Andhra Pradesh were examined for electrophoretic variation of transferrin (Tf). In four caste groups, namely, Brahmin, Vysya, Padmashali, and Kapu, the Mongoloid genetic marker DChi was found, with polymorphic frequencies in Brahmin and Vysya groups. The two new D variants found in individuals of Madiga and Mudiraj castes were designated as DMadiga and DMudiraj. Similarly, two new B variants found in individuals of Goldsmith and Madiga castes were designated as BGoldsmith and BMadiga, respectively. These findings suggest a widespread transferrin variation in caste groups of Andhra Pradesh and in the tribal populations of this region.
1108 tribal and 1062 non-tribal individuals from three districts of Andhra Pradesh were examined for serum albumin variants. A slow-moving variant, identical to Albumin Kashmir was found in a single Muslim individual. Another new slow-moving variant, faster than Albumin Kashmir found in a single individual of a Koya Dora tribe is designated as Albumin Koya Dora.
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