| PCR | |
| —abbreviation for | |
| polymerase chain reaction: a technique for rapidly producing many copies of a fragment of DNA for diagnostic or research purposes | |
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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
A laboratory technique that can amplify the amount of DNA from a tiny sample to a large amount within just a few hours. Theoretically, PCR can take one molecule and produce measurable amounts of identical DNA in a short period of time. It is used in DNA fingerprinting and DNA sequencing.
Note: An enzyme used in this process was originally found in bacteria in hot springs.
PCR
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