The person having genotype would show the blood group as AB. This is because of:
a. Pleiotropy
b. Co-dominance
c. Segregation
d. Incomplete dominance
The answer is the option (b) Co-dominance
Explanation: Most commonly found in ABO blood grouping, co-dominance is when the F1 generation resembles both parents. Here, the result is AB group because both A and B sugars are dominant. Hence, (b) is the correct option.