This document summarizes a study on the distribution of ABO and Rh (D) blood group alleles among five endogamous groups in Haryana, India. The study found:
1) The frequency of ABO allele A ranged from 0.09 to 0.31, allele B ranged from 0.18 to 0.45, and allele O ranged from 0.35 to 0.72 among the five groups.
2) For the Rh (D) blood group, the frequency of allele d ranged from 0.24 to 0.37 while the frequency of allele D ranged from 0.63 to 0.76 among the groups.
3) The allele frequencies observed in all the groups fell within the