Question

PCR is a very sensitive reaction and you have to be careful or you will amplify foreign DNA due to ___.

A) Thermal cycling
B) DNA polymerase
C) Primer sequences
D) Contamination

Answer 1

PCR is a sensitive laboratory technique used to amplify DNA.d) Contamination can lead to the amplification of foreign DNA.

Step-by-step explanation:

PCR (Polymerase Chain Reaction) is a laboratory technique used to amplify a specific DNA sequence. The sensitivity of PCR can lead to the amplification of foreign DNA if not careful. The main reason for this is d)contamination which can introduce foreign DNA into the reaction, leading to unintended amplification.

It is important to maintain proper laboratory practices, including the use of separate workspaces for different DNA samples, wearing gloves, and using clean tools and reagents to prevent contamination.