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  1. Polymerase Chain Reaction (PCR) Fact Sheet

    Aug 17, 2020 · How does PCR work? To amplify a segment of DNA using PCR, the sample is first heated so the DNA denatures, or separates into two pieces of single-stranded DNA. Next, an …

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

    Dec 31, 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, …

  3. 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 …

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

    Jun 10, 2025 · What is the polymerase chain reaction (PCR). What is it used for. How does it work. Learn its principles, types, components, steps, & applications with a diagram.

  5. 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 …

  6. What is PCR? (Polymerase chain reaction) - YourGenome

    PCR is used in molecular biology to make many copies of (amplify) small sections of DNA or a gene. This makes it possible to generate millions of copies of a particular section of DNA from …

  7. How does PCR work and what are its 3 steps? | INTEGRA

    Jun 23, 2022 · So, how does PCR work? In this guide, we take a deep dive into this fascinating technique by defining what PCR is, explaining how its 3 steps work, exploring its history, …

  8. What is PCR? - Science Learning Hub

    How does PCR work? PCR mimics what happens in cells when DNA is copied (replicated) prior to cell division, but it is carried out in controlled conditions in a laboratory. The machine that is …

  9. 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 …

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

    Aug 11, 2025 · It is a temperature-dependent enzymatic process where either a specific targeted region of DNA or the whole DNA is replicated to quickly make millions of copies of the target …