What Is PCR?

PCR stands for Polymerase Chain Reaction. It is a laboratory technique used to amplify a small amount of DNA into a larger amount for analysis or detection. This method allows researchers to produce millions or billions of copies of a specific DNA sequence from a tiny amount of starting material, thereby enabling the detection and analysis of small amounts of DNA or RNA from a variety of sources, including tissues, cells, or genetic material obtained from environmental or clinical samples. PCR has numerous applications in medicine, biotechnology, genetics, forensic science, and environmental science.