Recombination and directional selection.
D000483:Alleles; D000818:Animals; D003634:DDT / Q000494:pharmacology; D004331:Drosophila melanogaster / Q000187:drug effects / Q000235:genetics; D004351:Drug Resistance; D011995:Recombination, Genetic; D012641:Selection, Genetic
D003634:DDT