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polymerase chain reaction

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polymerase chain reaction  
n.   Abbr. PCR
A technique for amplifying DNA sequences in vitro by separating the DNA into two strands and incubating it with oligonucleotide primers and DNA polymerase. It can amplify a specific sequence of DNA by as many as one billion times and is important in biotechnology, forensics, medicine, and genetic research.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: polymerase chain reaction
Function: noun
: an in vitro technique for rapidly synthesizing large quantities of a given DNA segment that involves separating theDNA into its two complementary strands, binding a primer to each single strand at the end of the given DNA segment where synthesis will start, using DNA polymerase to synthesize two-stranded DNA fromeach single strand, and repeating the process —abbreviation PCR
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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