• Question: what blood type is the most rare

    Asked by Ethan to Catherine on 9 Nov 2016.
    • Photo: Catherine Wigley

      Catherine Wigley answered on 9 Nov 2016:

      In the general population the most rare ‘normal’ blood group is AB Negative. There are some very rare subtypes such as Oh known as ‘bombay’. Remember, different ethnic groups have different blood groups that are common, A and O are the most common in Caucasian but B is most common in Chinese populations!

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