The Polymerase Chain Reaction (PCR) Has Been Used in All

Question

The polymerase chain reaction (PCR) has been used in all of the following fields, except
A)forensics.
B)evolutionary studies.
C)gene mapping.
D)medicine.
E)None of the choices; it is useful for all these fields.

Accepted Answer

PCR is a versatile technique that is used in forensics, evolutionary studies, gene mapping, and medicine. It can be used to amplify DNA from a variety of sources and is useful for many applications in these fields. Therefore, the correct answer is E, as PCR is useful for all these fields.