alleryA man with blood type AB marries a woman with blood type O. What blood types can their children have?
AAB only
BOnly O
COnly A or B (man gives I^A or I^B; woman gives only i)
DAny
Answer & Solution
Correct answer: C. Only A or B (man gives I^A or I^B; woman gives only i)
Father AB = I_A I_B (gives I_A or I_B).
Mother O = ii (gives only i).
**Children:** I_A i (type A) or I_B i (type B).
Ratio 1:1. No AB or O children possible.
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