Avian Clock gene polymorphism: evidence for a latitudinalcline in allele frequencies Written by PoB, verified by Editorial Team December 26, 2011 Paridae, PasseriformesBlue Tit (Cyanistes caeruleus) Science Article 17 abstractIn comparison with most animal behaviours, circadian rhythms have a well-characterizedmolecular genetic basis. Detailed studies of circadian clock genes in← Previous PostNext Post →Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment.