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UPSC General Studies Sample Paper General Studies Sample Paper-7

  • question_answer
    Four children belonging to the same parents have the following blood groups A, B, AB and Hence, the genotype of the parents are                                                

    A)  both parents are homozygous for 'A' group                                               

    B)  one parent is homozygous for 'A' and another parent is homozygous for ?B?            

    C)  one parent is heterozygous for 'A' and another parent is heterozygous for 'B'            

    D)  both parents are homozygous for 'B' group                                               

    Correct Answer: C

    Solution :

    [c] The four children of blood groups A, B, AB and 0 will be born, if one parents is heterozygous for A and another parent is heterozygous for group B.


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