Abstract: A total number of 152 unrelated individuals of the Han nationality in Heilongjiang were examined for the distribution of 19 antigens of 8 red cell blood group systems. The results showed that the phenotype frequencies of B (32.24%) and CcDE (32.24%) were high, and the frequency of M (30.26%) was higher than N (25.00%). The phenotype Fy (a-b-) was not found in 152 specimens. High frequency of Jk(a+) (72.37%)· was observed. ln common with other population of Han nationality in China, the present population revealed a low frequencies of Di(a+) (3.29%) and P1 (31.58%).

Key words: Red cell's blood group; Human genetics; Physical anthropology