Demystifying PCR: How Does it Work? Kumar Jeetendra | April 18, 2024 Do you know Polymerase Chain Reaction (PCR)? PCR is a great tool for amplifying any targeted DNA section. It is widely used in such fields as molecular biology, genetics, medical diagnostics, forensics among others. The polymerase chain reaction (PCR) that may be defined as an artificial replication of DNA occurring in cells within a tube …