Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
PCR is a technique used in molecular biology to amplify a single or few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies.
Related terms
DNA Polymerase: This is the enzyme that synthesizes new strands of DNA and is crucial for the PCR process.
Primers: These are short pieces of RNA or DNA that serve as the starting point for DNA synthesis. They're necessary for the PCR process.
Thermocycler: This is the machine used in PCR which alternates temperature cycles to heat and cool the reaction for denaturing and annealing.