Question

When a purine is replaced by a pyrimidine in base-pair substitution process the phenomenon is termed as:

• A. transition
• B. transversion
• C. frameshift mutation
• D. tautomerisation

Answer 1

The correct option is B transversion

Transversion in molecular biology refers to a point mutation in deoxyribonucleic acid where single purine is changed for a pyrimidine or vice versa.

So, the correct option is 'transversion'.