A method of making multiple copies of a DNA sequence, involving repeated reactions with a polymerase.
- The new technologies virtually negate the need for examinations, and urine testing by polymerase chain reaction or ligase chain reaction is as effective as conventional testing.
- Sequences were amplified via the polymerase chain reaction.
- The major advance in ancient DNA analysis was the development of the polymerase chain reaction.
For editors and proofreaders
Line breaks: poly|mer¦ase chain re|ac¦tion
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