title: Reverse evolution and evolutionary memory.
authors.forename: Michael M
authors.initials: MM
authors.lastname: Desai
mesh_terms: D000220:Adaptation, Biological / Q000235:genetics; D000818:Animals; D004330:Drosophila / Q000235:genetics; D004777:Environment; D019143:Evolution, Molecular; D014644:Genetic Variation / Q000502:physiology; D005838:Genotype; D012641:Selection, Genetic; D013997:Time Factors