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fluctuation test |
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fluctuation test [‚flək·chə′wā·shən ‚test] (microbiology) A method of demonstrating that bacterial mutations preexist in a population before they are selected; a large parent population is divided into small parts which are grown independently and the number of mutants in each subculture determined; the number of mutants in the subculture will fluctuate because in some a mutant arises early (giving a large number of progeny), while in others the mutant arises late and gives few progeny. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The patellar tap and the fluctuation test were described by Cyriax as tests for the presence of swelling in the knee joint. |
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