Again all it says is that the blood types could have come from a single ancestor. That's all the theory of evolution states.<quoted text>
And as for the development of races it's long been known as evolutionary adaptation to local environments. Either that or humans were magically poofed white people in the garden of Eden and that all the other races that sprang from them were inferior due to TEH FALL.(shrug)
How do you explain Japanese and Irish people who live in the same latitude and received the same amount of sunlight and yet Japanese have dark hair and Irish people have light colored hair?