![]() ![]() ![]() By the sixth generation, they developed physical and behavioral characteristics normally associated with dogs. “In an evolutionary sense,” writes the author, “it pays to be domesticated.” Not only do humans breed animals for our own purposes-pets, horses, and cattle-but we have been an “unconscious evolutionary force.” Francis cites the famous 1959 experiment by the Russian scientist Dmitry Belyaev, who explored the domestication of foxes by selecting for tameness. “The human population explosion has been bad for most other living things, but not so for those lucky enough to warrant domestication,” writes science journalist Francis ( Epigenetics: The Ultimate Mystery of Inheritance, 2011, etc.) in this provocative account of the latest developments in the field of evolutionary biology. ![]()
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