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AMU Medical AMU Solved Paper-1998

  • question_answer
    When purine substituted by pyrimidine, the resulting mutation is

    A)  transition mutation

    B)  transversion mutation

    C)  point mutation

    D)  suppressive mutation

    Correct Answer: B

    Solution :

     : The replacement of one base by another is called substitution. It may be - transversion which is the replacement of purine by pyrimidine or pyrimidine by purine and transition which is the replacement of purine by a different purine or pyrimidine by a different pyrimidine. Thymine and cytosine are pyrimidine bases.


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