Blood groups of Jewish communities worldwide have been of interest to me as have been the blood groups of the ancient Hebrews. Getting deeper into the origin of rh negative blood, all ancient tribes and their most prolific descendants today are bound to give us answer.
I have had the chance to revisit Blood Groups in Sephardic Jews and the following stands out related to the Rh Blood Group System:
The high level of cde may be due to the acquisition of a Basque component or of a Berber component from North Africa.
The frequency of chromosome cde has been marked at 26.40%.
See also: