Based on the nucleotide context, the authors suggest that a new mutational mechanism may be at work
involving cytosine deamination of single - stranded DNA (presumably during replication).
Cytosine methylation involves adding or removing methyl groups to cytosine, which is a building block
Cytosine methylation
involves adding or removing methyl groups to
cytosine, which is a building block
cytosine, which is a building block of DNA.