The change was due at first to genetic changes that occurred as the original dogs learned to tolerate the presence of humans, as shown in the research on foxes by Dmitri Belyaev in his Farm-Fox Experiment.
Dmitry Medvedev | Dmitry Rogozin | Dmitry Polyanski | Dmitry Glukhovsky | Anatoly Konstantinovich Rozhdestvensky | Aleksey Konstantinovich Tolstoy | Dmitry Sipyagin | Dmitry Konstantinovich Belyaev | Dmitry Yazov | Dmitry Ukhtomsky | Dmitry Smirnov | Dmitry Senyavin | Dmitry Rybolovlev | Dmitry Pozharsky | Dmitry Pirog | Dmitry Pietrman | Dmitry Petrovich Maksutov | Dmitry Machinsky | Dmitry Kuzmin | Vasily Konstantinovich | Grand Duke Konstantin Konstantinovich of Russia | Dmitry von Fölkersam | Dmitry Shemyaka | Dmitry Sergeyevich Nikolayev | Dmitry Sakunenko | Dmitry Ryabyshev | Dmitry Puchkov | Dmitry Nikolayevich Ulyanov | Dmitry Milyutin | Dmitry Medoyev |
As an experiment in the domestication of wolves, the "farm fox" experiment of Russian scientist Dmitry Belyaev attempted to reenact how domestication may have occurred.