Zoology - Biotechnology - Principles and Processes Question with Solution | TestHub

The correct answer is option (1) as the correct sequence of steps involved in the process of PCR are : (C) Denaturation (A) Annealing (D) Treatment with Taq polymerase and deoxynucleotides (E) Extension (B) Amplification ( $\sim 1$ billion times). That is $\mathrm{C}\to \mathrm{A}\to \mathrm{D}\to \mathrm{E}\to \mathrm{B}$ Option (2), (3) and (4) are incorrect as they represent incorrect sequence.