title: "Adaptive mutation": the debate goes on.
authors.forename: R E
authors.initials: RE
authors.lastname: Lenski
authors.forename: P D
authors.initials: PD
authors.lastname: Sniegowski
mesh_terms: D000222:Adaptation, Physiological / Q000235:genetics*; D001419:Bacteria / Q000235:genetics*; D018407:Bacterial Physiological Phenomena; D005075:Biological Evolution; D009154:Mutation; D012641:Selection, Genetic