alleryA person with blood group AB has the genotype:
AI^B I^B
BI^A I^A
CI^A I^B
Dii
Answer & Solution
Correct answer: C. I^A I^B
Blood group AB requires **both** I^A and I^B alleles — genotype **I^A I^B** (heterozygous, co-dominance).
Keep practising Unit 7A: Natural Selection & Evolutionary Mechanisms
Browse all Unit 7A: Natural Selection & Evolutionary Mechanisms questions for AP Biology, or explore more Biology topics.
Related questions
NEET · Biology · Whittaker's Five KingdomsDown's syndrome is caused by:β-Thalassemia is controlled by which gene?Sickle-cell anaemia is a:Which of the following is a mutagen?In grasshopper, the sex-determination mechanism is:In humans, the sex-determination mechanism is:The ABO blood-group gene (I) has how many alleles in the human population?