
What is a PCR test, and how does it work? - Medical News Today
Jan 29, 2024 · In this article, we explore what PCR tests are in more detail, including how they work and how doctors interpret the results.
PCR Test: What It Is, How It Works & Results - Cleveland Clinic
Jan 21, 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 - 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) Fact Sheet
Aug 17, 2020 · PCR is also valuable in a number of laboratory and clinical techniques, including DNA fingerprinting, detection of bacteria or viruses (particularly AIDS), and diagnosis of …
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 …
Polymerase chain reaction (PCR) | Definition & Steps - Britannica
Oct 15, 2025 · PCR is used to diagnose genetic disease and to detect low levels of viral infection. In forensic medicine it is used to analyze minute traces of blood and other tissues in order to …
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 …
PCR Tests: MedlinePlus Medical Test
To do a PCR test: A health care professional will take a sample of blood, saliva, mucus, or tissue. The sample will contain your own DNA and possibly the DNA of a pathogen or cancer cell. …
Polymerase Chain Reaction (PCR) Test - eMedicineHealth
Polymerase chain reaction (PCR) is a chemical reaction harnessed to detect and identify trace bits of DNA, whether from a virus or bacteria to study the organism or diagnose an infection, or …
What Is PCR and Why Is It Used in DNA Testing?
Apr 25, 2025 · Medical professionals use PCR to detect the presence of pathogenic DNA or RNA, thereby aiding in the diagnosis of diseases, including viral infections like COVID-19, HIV, and …