Question

Explain PCR (Polymerase chain reaction) in simple words. How it is useful to us?​

Answer 1

Answer:

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Polymerase chain reaction (PCR) is a method widely used in molecular biology to make several copies of a specific DNA segment. ... Thermal cycling exposes reactants to repeated cycles of heating and cooling to permit different temperature-dependent reactions—specifically, DNA melting and enzyme-driven DNA replication.

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.

Explanation:

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Answer 2

Answer:

Explanation:DNA copy produce through PCR amplification and used in medical and forensic application and also in searching and detection of infectious disease and for research purposes on molecular genetics.