The Polymerase Chain Reaction (PCR)

The Polymerase chain reaction (PCR) is a technique that rapidly amplifies specific DNA sequences. PCR is a very sensitive technique that requires small amounts of DNA (as little as 1 – 2 molecules of DNA), which are amplified and copied over a
billion times. Because of its sensitivity, PCR has revolutionized many aspects of molecular biology and genetics, including diagnoses of diseases and forensic science.

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