5-methylcytosine is formed by the action of DNA methyltransferase[?] on CpG sites. It can undergo spontaneous deamination to form thymine.
... for a dog. It would be called a "caturtitatpurusha" (caturti refers to the fourth case--that is, the dative). Incidentally, "tatpurusha" is a tatpurusha ("this ...