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 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, forensic …
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 infectious diseases, …
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 small amounts of …
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.
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 amplification …