0 votes 0 votes Which of the following factors affect the fidelity of $DNA$ polymerase in polymerase chain reaction? $Mg^{2+}$ concentration $pH$ Annealing temperature $P$ and $Q$ only $P$ and $R$ only $Q$ and $R$ only $P, Q$ and $R$ Others gate2019 + – soujanyareddy13 asked Nov 3, 2020 • edited Jan 10, 2021 by go_editor soujanyareddy13 2.7k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.