Question

Is AB blood group rare in India?

Answer 1

AB blood group:

1. AB blood group is the result of codominant expression of the A and B genes on the blood cells.
2. People with the AB blood group have the A antigen and B antigen (polysaccharide) on the cell surface of their RBCs.
3. Hence, the genotype I^AI^B has alleles I^A and I^B that are codominant and both are expressed in the phenotype.
4. Yes, the blood group AB is rare and least prevalent in India.
5. As per records, only 7% of people in India have the blood type AB.