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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 …

  2. Polymerase Chain Reaction (PCR) - StatPearls - NCBI Bookshelf

    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 …

  3. Polymerase Chain Reaction (PCR) Fact Sheet

    Aug 17, 2020 · Sometimes called "molecular photocopying," the polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA.

  4. Polymerase chain reaction (PCR) | Definition & Steps | Britannica

    Oct 15, 2025 · polymerase chain reaction ( PCR), a technique used to make numerous copies of a specific segment of DNA quickly and accurately.

  5. 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.

  6. 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.

  7. Polymerase Chain Reaction – Principle, Steps, Types, & Purpose

    Jun 10, 2025 · Polymerase chain reaction, known as PCR, is an experimental technique used to produce millions and millions of copies of DNA or RNA (nucleic acid) samples. It was …

  8. Polymerase Chain Reaction (PCR): Steps in This DNA Test

    PCR (polymerase chain reaction) is a method to analyze a short sequence of DNA (or RNA) even in samples containing only minute quantities of DNA or RNA. PCR is used to reproduce …

  9. 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 …

  10. polymerase chain reaction / PCR | Learn Science at Scitable

    An automated method for synthesizing many copies of a specific fragment of DNA by repeated rounds of DNA replication; abbreviated as PCR.