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 …
Polymerase chain reaction (PCR) | Definition, Steps ...
Dec 11, 2025 · The polymerase chain reaction (PCR) is used to make numerous copies of a specific segment of DNA quickly and accurately, enabling experiments in molecular biology, …
PCR Test: What It Is, How It Works & Results - Cleveland Clinic
Jan 16, 2025 · A PCR (polymerase chain reaction) test is a lab technique that amplifies (creates more copies) of genetic material (DNA). Healthcare providers can use PCR to test for …
Polymerase Chain Reaction (PCR) Fact Sheet
Aug 17, 2020 · Polymerase chain reaction (PCR) is a technique used to "amplify" small segments of DNA.
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 …
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 …
15.5: The Polymerase Chain Reaction (PCR) - Biology LibreTexts
The polymerase chain reaction (PCR) can amplify a region of DNA from any source, even from a single cell’s worth of DNA or from fragments of DNA obtained from a fossil. This …