title: The implications of multiple circadian clock origins.
authors.affiliation: Howard Hughes Medical Institute, National Center for Behavioral Genomics, and Department of Biology, Brandeis University, Waltham, MA, USA. rosbash@brandeis.edu
authors.forename: Michael
authors.initials: M
authors.lastname: Rosbash
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000235:genetics*; D002940:Circadian Rhythm / Q000235:genetics*; D000458:Cyanobacteria / Q000235:genetics* / Q000502:physiology; D004330:Drosophila / Q000235:genetics / Q000502:physiology; D005057:Eukaryotic Cells; D019143:Evolution, Molecular; D006801:Humans