In most cases, the polymerase chain reaction, or PCR ... PCR relies on several key chemical components (Figure 1): A small amount of DNA that serves as the initial template or target sequence ...

Since the emergence of COVID-19 in late 2019, the gold standard in testing for the disease has been a nuclear-derived technique: real-time reverse transcription–polymerase chain reaction, or real-time ...

View Full Profile. Learn about our Editorial Policies. Polymerase chain reaction (PCR) is a fundamental molecular biology tool that scientists use to amplify and analyze genetic material, such as DNA ...

Forensic DNA profiling uses polymerase chain reaction (PCR) to amplify short tandem repeats (STRs), which are highly variable DNA regions, typically with four repeating bases. This variability helps ...

One of the tools scientists use is amplified fragment length polymorphism polymerase chain reaction (AFLP-PCR ... often MseI and EcoRI (Figure 1). MseI recognizes 5′-TTAA-3′ and cleaves ...