Base analogues cause mispairing and get incorporated into DNA during DNA replication. Choose the right option representing only natural base analogues:
1
5-bromouracil, 2-amino purine, 5-bromo deoxyuridine
2
5-bromouracil, 5-hydroxy methyl cytosine, 2-amino purine
3
5-methyl cytosine, 5-hydroxy methyl cytosine, 6-methyl purine
4
5-methyl cytosine, 5-bromo deoxyuridine, 6-methyl purine