| 单词 | polymerase chain reaction |
| 释义 | polymerase chain reaction n. Abbr. PCR A technique for amplifying DNA sequences in vitro by separating the DNA into two strands and incubating it with oligonucleotide primers and DNA polymerase. It can amplify a specific sequence of DNA as many as one billion times and is important in biotechnology, forensics, medicine, and genetic research. |
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