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English
Etymology
From counter- + selection.
Noun
counterselection (countable and uncountable, plural counterselections)
- Selection that removes unwanted characteristics.
2015 July 11, “Novel recA -Independent Horizontal Gene Transfer in Escherichia coli K-12”, in PLOS ONE, →DOI:In all recipients, distant drug resistance markers streptomycin (SmR; rpsL104), chloramphenicol (CmR; recA::cat(FRT)), and/or nalidixic acid (NlR; gyrA96) were used for counterselection.
- (evolutionary theory) Dysgenic selection (that has the opposite effects of natural selection).
See also