Polymerase chain reaction - Wikipedia
PCR is fundamental to many of the procedures used in genetic testing, research, including analysis of ancient samples of DNA and identification of infectious agents. Using PCR, copies of very small …
Polymerase chain reaction (PCR) | Definition, Steps ...
Dec 31, 2025 · Polymerase chain reaction is a technique used to make numerous copies of a specific segment of DNA quickly and accurately.
PCR Tests: MedlinePlus Medical Test
PCR (polymerase chain reaction) tests are a reliable and accurate way to diagnose certain infectious diseases, some types of cancer, and certain genetic changes. The tests check for small amounts of …
Polymerase Chain Reaction (PCR) Fact Sheet
Aug 17, 2020 · Polymerase chain reaction (PCR) is a technique used to "amplify" small segments of DNA.
PCR Basics - Thermo Fisher Scientific - US
The polymerase chain reaction, or PCR, is one of the most well-known techniques in molecular biology. PCR involves a series of temperature cycles that enable the replication of DNA segments, making it …
All About PCR - Beta - University of Utah
When things are working well, PCR can amplify a single copy of the target sequence—as in, DNA from one cell. But it’s easy to get many more than one copy to start with, and with more target sequences …
Polymerase Chain Reaction (PCR): Principle, Enzymes, Steps ...
Aug 11, 2025 · Polymerase chain reaction (PCR) is a nucleic acid amplification technique used to amplify the DNA or RNA in vitro enzymatically.