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Evolutionary behavioral genetics inDrosophila

Elsevier Science & Technology
DOI: 10.1016/s0065-2660(02)47004-6
  • Biology


Abstract Behavioral genes have a special evolutionary interest because they are potentially involved in speciation and in many forms of adaptation. Dozens of loci affecting different aspects of behavior have been already identified and cloned in Drosophila. Some of these genes determine variation in such ethologically complex phenotypes as the male “love song” that is produced during court- ship and the locomotor “sleep-wake” activity cycles that are controlled by the circadian clock. Although the evolutionary analysis of most behavioral genes in Drosophila is relatively new, it has already given important insights into the forces shaping the molecular variation at these loci and their functional con- sequences.

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