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what is the role of PCR in DNA typing

Sagot :

Answer:

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:

PCR is used in molecular biology to make many copies of (amplify) small sections of DNA? or a gene?. Using PCR it is possible to generate thousands to millions of copies of a particular section of DNA from a very small amount of DNA. PCR is a common tool used in medical and biological research labs.