Uploaded October 2025 | Updated September 2026, 2 hours ago
This animation demonstrates the steps involved in the polymerase chain reaction (PCR). This includes explaining the denaturing, annealing and extension phases that allow scientist to make copies of DNA samples.
Suitable for high school biology / secondary science classes on genetics and inheritance.
This video is licensed under a Creative Commons Attribution 4.0 International Licence (CC BY 4.0).
You are free to share and adapt this material, provided attribution is given.
Licence: https://creativecommons.org/licenses/...
Attribution: Created by the Wellcome Sanger Institute for www.yourgenome.org, released under CC BY 4.0.
More DNA learning resources: yourgenome.org
Playlist: • DNA animations
This animation demonstrates the steps involved in the polymerase chain reaction (PCR). This includes explaining the denaturing, annealing and extension phases that allow scientist to make copies of DNA samples.
Suitable for high school biology / secondary science classes on genetics and inheritance.
This video is licensed under a Creative Commons Attribution 4.0 International Licence (CC BY 4.0).
You are free to share and adapt this material, provided attribution is given.
Licence: https://creativecommons.org/licenses/...
Attribution: Created by the Wellcome Sanger Institute for www.yourgenome.org, released under CC BY 4.0.
More DNA learning resources: yourgenome.org
Playlist: • DNA animations
