title: Today's multiple choice exam: (a) gene duplication; (b) structural mutation; (c) co-option; (d) regulatory mutation; (e) all of the above.
authors.affiliation: University of California-Santa Barbara. oakley@lifesci.ucsb.edu
authors.forename: Todd H
authors.initials: TH
authors.lastname: Oakley
mesh_terms: D019943:Amino Acid Substitution; D000818:Animals; D049832:Decapodiformes / Q000235:genetics; D019143:Evolution, Molecular; D020440:Gene Duplication; D007908:Lens, Crystalline; D009154:Mutation