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

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

ManipalManipal 2014

Solution:

In the case of transition, purine base is replaced by another purine (i.e., $A - G$ ) and pyrimidine is replaced by another pyrimidine (i.e., $C-T$) and vice versa. In the case of transversion, purine is replaced by a pyrimidine and vice-versa. The frameshift mutation is the mutation of bases in DNA sequence that changes the way of reading the sequences. Transcription is the process of formation of mRNA from DNA.