PATHOLOGY

Detailed explanation-1: -Polymerase chain reaction (abbreviated PCR) is a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA, which can then be studied in greater detail.

Detailed explanation-2: -Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a mixture of DNA molecules.

Detailed explanation-3: -PCR (Polymerase Chain Reaction) is a technique that is used to make millions of copies of a sample DNA very rapidly. After the completion of each cycle, two copies of DNA samples are produced.