Amidst the horror, the support seen for the Ukraine is wonderful. Years ago, I have added Ukraine to Blood Type Frequencies by Country including the Rh Factor with a national average of 14% Rh negative. Now there are several studies out highlighting huge regional differences in terms of both, ABO and Rh(D) gene frequencies: We have detected the irregular genetic-population structure of residents of the Donetsk Province with respect to the AB0 and Rh systems with a general formula A > 0 > B > AB, the only exception being Slavyansk where it probably is 0 > A > B … Continue reading ABO and Rh frequencies highly regional within the Ukraine