PCR machine

A PCR (Polymerase Chain Reaction) machine is a device used in laboratories to make millions of copies of a specific DNA segment quickly. It works by repeatedly cycling through heating and cooling steps to unzip DNA, attach small matching pieces called primers, and then extend these primers to replicate the target DNA. This process enables scientists to analyze or test tiny amounts of genetic material more easily. PCR machines are essential in fields like medical diagnostics, research, forensics, and genetic testing because they efficiently generate large quantities of DNA from minimal samples.