title: Complexity and tinkering.
abstract: All recent results in the fields of development and evolution point to a role of regulatory circuits as a major cause of evolutionary changes.
authors.affiliation: Institut Pasteur, Département de Biologie Moléculaire, 75724 Paris Cedex 15, France.
authors.forename: F
authors.initials: F
authors.lastname: Jacob
mesh_terms: D000818:Animals; D003243:Consciousness; D019143:Evolution, Molecular; D006801:Humans; D009419:Nerve Tissue Proteins / Q000235:genetics*; D009474:Neurons / Q000502:physiology*
chemical_list: D009419:Nerve Tissue Proteins