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A member asked:
What is a blood group?
3 doctors weighed in across 2 answers
Blood type: "blood group" and "blood type" are the same thing. Blood types are as follows: a, b, o, and ab. There is also the rh factor, which is + or -. Blood types are inherited traits. Worldwide, o+ is the most common type, and ab- is the rarest type.
Answered 10/14/2017
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The term blood: Group is used in the same way as blood type, which is determined by surface molecules. So the groups are o, a, b, and ab.
Answered 2/25/2013
5.3k views
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