As I have mentioned in my latest video, the main reason our blood didn’t spread as type O is the Rh disease. O is recessive like Rh negative blood and O is the most common blood type globally. https://rhesusnegative.net/themission/bloodtypefrequencies/ Of course, there are quite a few national exceptions. In several European nations, but also Armenia and Japan, blood type A is higher than O. In India, Pakistan, Bangladesh and Sri Lanka, blood type B is higher than O. It is possible that in certain parts of the world, one blood type is more beneficial health-wise than another resulting in those with such blood type to be more likely to have more offspring. In view of the conflicting reports, Mengoli and … Continue reading Rh Disease main reason for low Rh- %s