Home › NEET UG › Biology › Principles of Inheritance and Variation › A person with blood group AB has the genotype:
A 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).
Related questions
Haemophilia and colour blindness are MORE COMMON in MALES than females because they are:Down syndrome is most commonly caused by:Sickle cell anaemia is caused by:The sex of a human baby is determined by:In the human ABO blood group system, a person with blood group AB has the genotype:In snapdragon (Antirrhinum), RR (red) × rr (white) gives F1 plants that are PINK. This patIn a DIHYBRID cross of YyRr × YyRr, the F2 phenotypic ratio is:In a monohybrid cross of Tt × Tt, the F2 PHENOTYPIC ratio is: