A) \[{{\text{ }\!\!|\!\!\text{ }}^{\text{A}}}\text{i}\]
B) \[{{\text{ }\!\!|\!\!\text{ }}^{\text{B}}}\text{i}\]
C) \[{{\text{l}}^{\text{B}}}{{\text{l}}^{\text{B}}}\]
D) \[{{O}_{i}}\]
Correct Answer: B
Solution :
As the child is of blood group O, its only possible genotype is \[{{\text{I}}^{\text{o}}}{{\text{I}}^{\text{o}}}\text{.}\]It means the child will have homozygous recessive alleles. Therefore, both the parents should be heterozygous, i.e. the genotype of father will be\[{{\text{I}}^{\text{B}}}\text{i}\] (as it is already mentioned that father is having blood group B) and of mother will be \[{{\text{I}}^{\text{A}}}\text{i}\]or \[{{\text{I}}^{\text{B}}}\text{i}\text{.}\]
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