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Science glossary film: Amplification of DNA

Amplification of DNA

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Producing many identical copies of a DNA sequence, by laboratory processes, such as the polymerase chain reaction.

Producing many identical copies of a DNA sequence, by laboratory processes such as the polymerase chain reaction. Repeated heating and cooling with particular enzymes and other chemicals can produce a million-fold increase in the amount of DNA in only a few hours. This is widely used in medical and biological research and forensic science, to produce useful quantities of DNA from small samples.

Repeated heating and cooling with particular enzymes and other chemicals can produce a million-fold increase in the amount of DNA in only a few hours. This is widely used in medical and biological research and forensic science, to produce useful quantities of DNA from small samples.

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