Question

which blood group is very rarest if its positive ???​

Answer 1

Answer:

O positive

Each of the common blood types—A, B, AB, and O—comes in negative and positive versions. Of these eight main categories, O positive is the most common, according to the Red Cross. AB negative is identified as the rarest blood type in the U.S.; Healthline reports that only 0.6 percent of Americans have AB-negative blood.