Rh-Negative. 77 Pins. Rh-Negative · RhoGAM Vaccin - RH Negative blood. 1 Pin . RhoGAM Vaccin - RH Negative blood · Stretch & Home Gymnastic. 76 Pins. San/Bushmen; Basque; Berber; Guanchos; Etruscan; Minoans .. Rhesus negative blood is found in 15% of the caucasian population, and in. ”Re: Is the RH negative blood type more prevalent in certain ethnic groups?”. ” Distribution of rhesus blood group system in the French basques: a reappraisal.