Q. Given below are steps of polymerase chain reaction.
Select the option that correctly mention the sequence in which they occur.
(a) (ii) → (iii) → (i) (b) (i) → (ii) → (iii)
(c) (iii) → (i) → (ii) (d) (ii) → (i) → (iii)
Answer (a) : Three steps of PCR are : denaturation, annealing and extension.
