As per ABO blood grouping system, the blood group of father is B⁺, mother is A⁺ and child is O⁺.
Their respective gentype can be
A. I^Bi / I^Ai / ii
B. I^BI^B / I^AI^AI / ii
C. I^AI^B /i I^AI /I^Bi
D. I^Ai / I^Bi /I^Ai
E. iI^B / iI^A / I^AI^B
Choose the most appropriate answer from the options given below: