WHY is ab positive blood so rare. I have it, WHY is O also. I don't get it.

In response Stephanie Foster to her Publication

Yes I know ab negative is more rare, beyond that primary response in search inquiries, why is it.

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In response Yvonne McNeil to her Publication

Wonder why they say it is app 3-4 percent of the populous.......

In response Yvonne McNeil to her Publication

Cool!!!