Biology question?

Posted on 2015-10-06 06:19:00 in Biology by CRASY

The polymerase chain reaction (PCR) is used to:

A. generate a single copy of a targeted region of DNA.
B. generate multiple copies of a targeted region of DNA.
C. generate multiple copies of whole chromosomes.
D. Options 2 and 4 are both correct.
E. generate single copies of whole chromosomes.

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