AI Article Synopsis
- The paper reviews the authors' findings from a long-term experiment focused on fox domestication, connecting these results to debates about dog evolution.
- The authors explain that changes in behavior and physical traits during domestication are linked to delayed developmental processes, leading to adults exhibiting youthful characteristics (neoteny).
- The role of hormonal changes due to domestication is explored in relation to the evolutionary emergence of neoteny.
Article Abstract
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.
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