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  1. 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 …

  2. Polymerase chain reaction (PCR) | Definition, Steps, Applications ...

    Dec 31, 2025 · Polymerase chain reaction is a technique used to make numerous copies of a specific segment of DNA quickly and accurately.

  3. 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, …

  4. Polymerase Chain Reaction (PCR) Fact Sheet

    Aug 17, 2020 · Polymerase chain reaction (PCR) is a technique used to "amplify" small segments of DNA.

  5. 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 …

  6. Polymerase Chain Reaction (PCR): Principle, Enzymes, Steps, Types, …

    Aug 11, 2025 · Polymerase chain reaction (PCR) is a nucleic acid amplification technique used to amplify the DNA or RNA in vitro enzymatically.

  7. 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 …

  8. 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 …

  9. Polymerase Chain Reaction (PCR) - PubMed

    Jul 7, 2025 · The polymerase chain reaction (PCR) is a frequently utilized laboratory nucleic acid amplification technique that uses Taq polymerase, a thermostable DNA polymerase isolated from …

  10. What is a PCR test, and how does it work? - Medical News Today

    Jan 29, 2024 · What is a polymerase chain reaction (PCR) test? Here, we describe how the tests work and why health experts and researchers use them.