Rh-negative frequencies of about 29% were documented among Basques and in distinct populations living in the High Atlas Range of Morocco [25], which have the highest reported prevalence of Rh-negative phenotypes apart from that from Saudi Arabia above.

Where did Rh negative blood originate from?

Undoubtedly something similar is going on with being Rh negative. The Toxoplasma resistance may be enough or there may be other advantages we dont know about yet. So, there you go! Great question and hopefully this answer confirms the fact that Rh negative blood originates from a mutation in the RHD gene.

Where is the highest concentration of Rh negative blood?

Basques Basques were found to have the highest incidence of Rh negative blood of any people in the world, significantly higher than the rest of Europe, even significantly higher than neighboring regions of France and Spain.

What population of the world has Rh negative blood?

Fifteen percent Fifteen percent (15%) of the population has Rh negative blood and the rest are Rh positive. Being Rh negative is not a disease. It is just an inherited trait, the same as eye color. When a woman is pregnant, it is important to know if she is Rh negative.