If you commit a crime, you need to make sure that you do not leave even the smallest speck of blood, hair, or other organic matter from your body. If you do, the DNA in this material can be amplified by ________, subjected to genetic analysis, and used to identify you as the perpetrator of the crime.
A) PCR
B) STR analysis
C) restriction digests

Question

Quizplus · Accepted Answer

PCR (polymerase chain reaction) is a technique used to amplify small amounts of DNA, making it possible to generate a sufficient quantity of DNA for genetic analysis. Other techniques mentioned, such as STR analysis and restriction digests, are also used in genetic analysis, but PCR is the most commonly used technique for amplifying DNA from crime scene evidence. Therefore, A) PCR is the best choice.

If You Commit a Crime, You Need to Make Sure