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MGIMS WARDHA MGIMS WARDHA Solved Paper-2013

  • question_answer
    ABO blood grouping is controlled by gene I which has three alleles and show co dominance. There are six genotypes. How many phenotypes in all are possible?

    A)  Three                 

    B)  Six

    C)  Five                      

    D)  Four

    Correct Answer: B

    Solution :

                    The six genotypes are \[{{I}^{A}}{{I}^{A}}\]or\[{{I}^{A}}i,{{I}^{B}}{{I}^{B}}\]or\[{{I}^{B}}i,{{I}^{A}}{{I}^{B}},ii\] The four phenotypes are\[-A,\text{ }B,\text{ }AB,\text{ }O\].


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