For serious discussion of the controversies, approaches and enigmas surrounding the origins and development of the human species and of human civilization. (NB: for more ‘out there’ posts we point you in the direction of the ‘Paranormal & Supernatural
’ Message Board).
This has been studied but the results are inconclusive. Native Americans are predominantly belonging to type O today. However, since there may have been a population loss from European diseases up to 90%, this could represent a die-off of blood groups A and B and not necessarily represent the source population.