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NEET Biology Principle Of Inheritance And Variation Question Bank Critical Thinking

  • question_answer
    Transition type of gene mutation is caused when [MP PMT 1997]

    A) GC is replaced by TA

    B) CG is replaced by GC

    C) AT is replaced by CG

    D) AT is replaced by GC

    Correct Answer: D

    Solution :

    In transition, a nitrogen base is replaced by another of its type i.e. one purine is replaced by another purine (A ⇌ G) while one pyrimidine by another pyrimidine (C ⇌ T or U).


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