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In a mutational event, when adenine is r...

In a mutational event, when adenine is replaced by guanine, it is the case of

A

frameshift mutation

B

transcription

C

transition

D

transversion

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The correct Answer is:
C
In case of transition, purine base is replaced by another purine (e.g. `A iff G`) and pyrimidine is replaced by another pyrimidine (e.g. `C iff T`) and vice versa. In case of transversion purine is replaced by a pyrimidine and vice versa.
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