title: Evaluating adaptive evolution.
authors.forename: Shozo
authors.initials: S
authors.lastname: Yokoyama
mesh_terms: D000818:Animals; D016673:Colobinae; D019143:Evolution, Molecular; D009154:Mutation; D012313:RNA / Q000378:metabolism; D012259:Ribonuclease, Pancreatic / Q000235:genetics*; D012641:Selection, Genetic
chemical_list: D012313:RNA; D012259:Ribonuclease, Pancreatic