12th Class Biology Principle Of Inheritance And Variation Question Bank Case Based - Principles of Inheritance and Variation

  • question_answer
    Direction Read the following and answer the questions from given below In court, a woman of AB blood group claims that a man of O blood group is the father of her son having O blood group. The judge orders to take the help of a geneticist to solve the problem. Finally, it was concluded that man of O blood group was not the father of woman's son.
    (iii) ABO blood group system is seen in human which is controlled by
     

    A) B-gene              

    B) C-gene

    C) I-gene            

    D) n-gene

    Correct Answer: C

    Solution :

    [c] ABO blood group are controlled by the I-gene which has three alleles, i.e. \[{{I}^{A}}\], \[{{I}^{B}}\] and i.


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