title: Balancing robustness and evolvability.
authors.affiliation: Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States. lenski@msu.edu
authors.forename: Richard E
authors.initials: RE
authors.lastname: Lenski
authors.forename: Jeffrey E
authors.initials: JE
authors.lastname: Barrick
authors.forename: Charles
authors.initials: C
authors.lastname: Ofria
mesh_terms: D005075:Biological Evolution; D019143:Evolution, Molecular; D009154:Mutation / Q000235:genetics