A small amount of DNA was located at a crime scene. Which one of the following techniques is most likely to be used to amplify the DNA so it can be identified more accurately?
A) genetic engineering
B) use of DNA ligase to recombine the pieces of DNA
C) gene therapy
D) DNA sequencing
E) polymerase chain reaction

Question

Quizplus · Accepted Answer

Polymerase chain reaction (PCR) is a technique used to amplify small amounts of DNA, making it possible to generate enough DNA for analysis and identification.

A Small Amount of DNA Was Located at a Crime