The Diego Blood Groups of the Japanese in Tokyo and Chiba:

Tests on Further Population and Family Samples

Abstract

Abstract The Diego blood groups of 2, 397 unrelated Japanese, 1, 142 from Tokyo and 1, 255 from Chiba, were investigated. The estimated Di^a gene frequencies are 0.047 in Tokyo and 0.048 in Chiba, which agree well with those obtained in previous studies. Tests for the Diego blood groups on 221 Japanese families with 328 children are also reported.