Which base is responsible for spontaneous poi | vedclass

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(D) Spontaneous point mutations often occur due to the deamination of $5$-methylcytosine. When $5$-methylcytosine undergoes deamination,it is converte

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$5$-Methylcytosine

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(D) Spontaneous point mutations often occur due to the deamination of $5$-methylcytosine. When $5$-methylcytosine undergoes deamination,it is converted into thymine. Since thymine is a natural base in $DNA$,the repair mechanisms of the cell often fail to recognize this as a mutation,leading to a permanent $C \rightarrow T$ transition mutation. Therefore,$5$-methylcytosine is considered a 'hotspot' for spontaneous mutations.

Which base is responsible for spontaneous point mutations?

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