PCR: an outstanding method
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چکیده
Scarcely any invention has altered biological science so radically in such a short period as the polyme-rase chain reaction, or PCR. With this technique, minute amounts of DNA can be replicated very rapidly and thereby amplified to such an extent that the DNA becomes easy to detect, study and use for any given purpose. The potential of this technique in medicine has long been known, and ever more applications are being developed. Wherever genes provide clues to the cause or natural history of a disease, PCR is the method of choice.
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