充分证据表明南亚(印度、阿富汗、巴基斯坦)的B型就是前雅利安土著,由此可以推测中国B型血来源。
印度人类学家Naval Viyogi《The Founders of Indus Valley Civilisation and
Their Later History》:
Even today Dravidian blood is flowing in their veins, their physical characteristics are identical to the Dravidian tribes. It has been proved with the solid evidences that the high nasal index and frequency of “B” Blood group is one of the land mark of the Dravidian castes and tribes.