Question

Is AB+ a rare blood group?

Answer 1

AB+ blood group:

1. AB+ blood group is the codominant expression of the ABO blood group.
2. The genotype I^AI^B has alleles I^A and I^B that are codominant and equally expressed in the phenotype.
3. The plus (+) sign on the AB+ blood group determines the presence of rhesus antigen (Rh) which are transmembrane proteins.
4. The ratio of the distribution of AB+ blood type is 3.2% among all other blood groups, whereas the ratio of AB- is only 0.7%.