• Question: Why do we have different type of blood groups ??

    Asked by Vatore_8 to Daniel, Carmen, Laura, Noel, Steph on 10 Mar 2015.
    • Photo: Noel Carter

      Noel Carter answered on 10 Mar 2015:

      Some bacteria and viruses have evolved to bind to blood group proteins. I think blood group protein diversity is just a way of protecting our species, so even if some people can be infected then not all will- or not as severely.

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