PCR (Polymerase Chain Reaction)

Also called “Nucleic Acid Amplification Testing” (NAAT, or NAT), PCR is a relatively new technology invented in 1983 (its inventor received a Nobel prize).ย  It consists of finding tiny fragments of DNA in specimens and multiplying them thousands of times to be able to identify them.ย  It’s used to diagnose many infections and genetic diseases, and also used legally in paternity cases & criminal investigations.

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