試題詳解

4. Which of the following statements about the polymerase chain reaction (PCR) is false?
(A) PCR is a technique to make many copies of a specific DNA fragment in vitro.
(B) PCR requires one primer designed specifically for the DNA region of interest.
(C) PCR relies on a thermostable DNA polymerase, Taq polymerase.
(D) PCR is routinely used in DNA cloning, medical diagnostics, and forensic analysis of DNA.