Question

Which blood type is rarest?

Answer 1

Blood group:

1. There are eight types of blood groups seen in humans. They are O+, O-, A+, A-, B+, B-, AB+, AB-
2. But all blood groups are not seen in the same proportion. Some are rarer than other groups.
3. AB- blood group is rarest among all blood types. It is seen in only about 1% of the donor.
4. Hence, we can conclude that blood type AB- is the rarest blood group.