Regarding the ABO blood group system in humans if an individ

Regarding the ABO blood group system in humans, if an individual is genetically I^Bi and yet expresses the O blood type, which genotype is he or she likely to have?

Hh

HH

hh

i^Ai

i^Bi

none of the above are correct.

Solution

Ans) Hh

Regarding the ABO blood group system in humans, if an individual is genetically I^Bi and yet expresses the O blood type, which genotype is he or she likely to have Hh.