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NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Self Evaluation Test - Molecular Basis of Inheritance

  • question_answer
           In a mutational event, when adenine is replaced by guanine, it is a case of:                    

    A) Frame shift mutation 

    B)                    Transcription

    C)                     Transition  

    D)                    Transversion         

    Correct Answer: C

    Solution :

    [c] In transition substitution a purine is replaced by another purine base (A with G or vice versa). In transversion substitution a purine is replaced by a pyrimidine base or vice versa. Frameshift mutation is a type of mutation where the reading of codons is changed due to insertion or deletion of nucleotides. Transition is the formation of RNA over the template of DNA.


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