complementation test


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complementation test

[‚käm·plə·mən′tā·shən ‚test]
(genetics)
An analytic procedure for determining whether two non expressed mutants are in the same cistron or gene.
References in periodicals archive ?
Complementation tests, including with the nitrate-tolerant super nodulation (NTSN) mutants of R32 for which a gene symbol nts has been assigned previously (Park and Buttery, 1989), revealed that all three nodulation types were under nonallelic control with distinct function.