• Question: if people have the same blood type does it mean they're related? :D xoxoxoxoxo

    Asked by bavi kuhendran to Anita, David, Karolina, Matt, Samantha on 27 Jan 2014.
    • Photo: Karolina Chocian

      Karolina Chocian answered on 27 Jan 2014:

      not really. there are only 4 blood types (A, B, AB, 0) .
      Blood type test were used in Paternity testing (before DNA) , and they can exclude but not confirm paternity.
      I.e.
      if mother is A, father is B
      a kid can be A, B, AB.
      but if a kid is 0, that means that the father is not the biological father (obviously assuming that mother is the biological mother).

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