"Transition mutation" occurs in: (A) A - G, (B) A - C, (C) A - T, (D) D - G
Answer is A. Replacement of purine by another purine (A to G or G to A ) or pyrimidine by pyrimidine (T to C or C to T ) is called transition mutationRef: DM Vasudevan, 7th edition, page no: 612