What is the origin of Rh- blood?

Being Rh- means you are Rh(D) negative meaning you test negative for the D antigen of the Rhesus Blood Group System. Was there a gene deletion? Did several such gene deletions take place in various parts among various tribes and at various times? When discussing regional origin of Rh- people, one must look at where conditions were great during those times for those with Rh- blood. Nowadays pollution and bad food are responsible for a lot, so it is imperative to go back in time and image areas such as the Black Sea region in summer. Some Rh-s are sensitive to heat, others cold. This is also of interest to me. As for the Pyrenees: Mountain regions may be somewhat … Continue reading What is the origin of Rh- blood?