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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 amounts of DNA sequences are exponentially amplified in a series of cycles of temperature changes
Polymerase chain reaction (PCR) | Definition, Steps, Applications . . . 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 analysis, evolutionary biology, and medical diagnostics
PCR Test: What It Is, How It Works Results - Cleveland Clinic 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, to look for genetic changes in tumors or to diagnose genetic diseases
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 genetic material of a pathogen (disease-causing organism) or abnormal cells in a sample of your blood, saliva, mucus, or tissue
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 rsquo;s worth of DNA or from fragments of DNA obtained from a fossil This amplification …
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 (amplify) selected sections of DNA or RNA
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 possible to generate millions of copies of a target DNA region