Genetic studies on some tribes of the Telangana region, Andhra, Pradesh, India.

Phenotype distributions and gene frequencies of nine red cell enzyme systems and haemoglobin are presented for six tribal populations from the Telangana region of Andhra Pradesh. AEO, MN and Rh blood group data are presented for four of these tribes. The results have been compared with these from other Andhra Pradesh tribal Populations. The Yerukula tribe are notable for the presence of PGM7 1 at polymorphic frequency, the occurrence of a single example of PGM10 2 and the absence of Hbs.