Question : If the blood group of one parent is AB and that of the other O, the possible blood group of their child would be
Option 1: A or B
Option 2: A or B or O
Option 3: A or AB or O
Option 4: A or B or AB or O
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Correct Answer: A or B
Solution : The correct option is A or B.
If one parent has blood group AB (genotype AO or BO) and the other has blood group O (genotype OO), their child's blood group will be determined by the mix of alleles inherited from both parents. The following are some potential combinations: The child receives a 'A' allele from one parent who has blood type AB and a 'O' allele from the other parent who has blood group O. In this case, the child's genotype is AO, and his blood group is A. The child receives a 'B' allele from one parent who has blood type AB and a 'O' allele from the other parent who has blood group O. In this case, the child's genotype is BO, and his blood group is B.
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