AMU Medical AMU Solved Paper-1996

  • question_answer
    If two persons with heterozygous A and B blood group marries, then possibility of genotypes in their progeny are

    A)  only ii            

    B)  only W

    C) \[{{I}^{A}}i\]and \[{{I}^{B}}i\]        

    D)  all of these.

    Correct Answer: D

    Solution :

    : Inheritance of blood groups in man depends on multiple alleles and follows Mendels laws. In this case - The genotype of the partner with A blood group will be\[-{{I}^{A}}{{I}^{A}}\]or\[{{I}^{A}}i\]. The genotype of the partner with B blood group will be\[-{{I}^{B}}{{I}^{B}}\]or\[{{I}^{B}}i\]. Then, the progeny may have the four types of blood groups\[-O\](ii), A (\[{{I}^{A}}{{I}^{A}}\]or\[{{I}^{A}}i\]), B (\[{{I}^{B}}{{I}^{B}}\]or \[{{I}^{B}}i\]) and AB\[({{I}^{A}}{{I}^{B}})\].


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