There are different reasons why some studies don’t hold water. Especially the ones claiming to represent national data. Nations are man-made. Tribes are more organic. A prime example: What is the frequency of Rh negatives in Chile? Do you know? Sorry… this one is in English: Some studies on Chile show frequencies below 1%, others more than 30%. It is what happens when the highest Rh- population mixes with the lowest Rh- population. Back to the Basques: I like this study: I am pretty sure you could probably find me a regional study with Rh- results as high as 44%, but I am not in the business of showing records, so for now, this conservative study suits just fine. A … Continue reading Rh- frequencies in Basques – French: 24%. Spanish: 28%, Chilean: 33%