Uploaded October 2019 | Updated September 2026, 3 weeks ago
PCR (polymerase chain reaction) is an essential technique that allows scientists to make more copies of a piece of DNA for countless different purposes. Watch to learn how PCR works!
This video is part of the Bio-Dictionary for "The Explorer's Guide to Biology" (XBio for short), which is a bold re-imagining of the biology textbook for the 21st century. Visit explorebiology.org for free content that focuses on stories of scientific discovery.
PCR (polymerase chain reaction) is an essential technique that allows scientists to make more copies of a piece of DNA for countless different purposes. Watch to learn how PCR works!
This video is part of the Bio-Dictionary for "The Explorer's Guide to Biology" (XBio for short), which is a bold re-imagining of the biology textbook for the 21st century. Visit explorebiology.org for free content that focuses on stories of scientific discovery.
