Russian Journal of Genetics

, Volume 40, Issue 6, pp 644–655 | Cite as

An Experiment on Fox Domestication and Debatable Issues of Evolution of the Dog

  • L. N. Trut
  • I. Z. Plyusnina
  • I. N. Oskina


This paper is a review of the results of the authors obtained in a long-term experiment on fox domestication. Debatable issues of dog evolution are discussed in light of these results. It is demonstrated that genetic physiological mechanisms of the behavior transformation during selection and the nature of the arising phenotypic changes are associated with retarded development of corresponding ontogenetic processes. As a result of this retardation, the adult animals retain juvenile traits of behavior and morphology (the phenomenon of neoteny). The role of hormonal changes caused by domestication in the evolutionary origin of neoteny is discussed.


Physiological Mechanism Phenotypic Change Adult Animal Hormonal Change Evolutionary Origin 
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Copyright information

© MAIK “Nauka/Interperiodica” 2004

Authors and Affiliations

  • L. N. Trut
    • 1
  • I. Z. Plyusnina
    • 1
  • I. N. Oskina
    • 1
  1. 1.Institute of Cytology and GeneticsRussian Academy of SciencesNovosibirskRussia

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