PCR

Once the DNA is extracted, scientists need to make lots of ‘photocopies’ of the gene in order to detect it. ┬áThe process of making these copies is known as polymerase chain reaction, or PCR. ┬áLearn more below.

Polymerase Chain Reaction (PCR) in Pigs from PASSeL on MediaHub.

Closed captions are available on this video.

In order to view the full screen version of the video, please click the title of the video in the upper-left corner of the frame.