We all know that Basques generally speaking have the highest percentages of rh negatives worldwide. But the frequencies vary from location to location. Looking at estimates of ancient blood type frequencies in Europe, parts of Basque Country were higher than 50% rh negative. The Basques were Basques long before the Spanish and French existed. These differences in frequencies are indicators that French Basques are more likely to get married outside of their Basque culture. Most of Basque Country in Spain is shown to be around 28.3% rh negative. Biarritz on the French side (southern part) around 24.3%. San Sebastián is a resort town on the Bay of Biscay in Spain and only shows 23.1% and a surprise, which could be … Continue reading Rh negative frequencies in Basque Country