Avian Clock gene polymorphism: evidence for a latitudinalcline in allele frequencies admin December 26, 2011 Eurasia, Paridae, Passeriformes, science article Comments Blue Tit (Cyanistes caeruleus) Science Article 17 abstract In 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studies of circadian clock genes in ← Previous PostNext Post → Leave a Reply Cancel replyYour email address will not be published.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.