Single Answer MCQ
Q-00019407
If a person has blood type O, what are the possible genotypes of their parents?
1
AO and AO
2
BO and BO
3
AB and AO
4
A and B
Answer and Solution
Answer
A. AO and AO
Solution:
A person with blood type O has the genotype OO. Therefore, their parents must provide O alleles, meaning they could be AO or BO (heterozygous) or OO (homozygous) but not AB.
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