The resolution was called the "evolutionary synthesis" or "modern synthesis," and one of its architects was Russian population geneticist Theodosius Dobzhansky, who lived from 1900 to 1975.

“Just as the phenomenon of mutation did not become visible to Morgan until his breeding experiments crossed a certain threshold of scale, so, too, Dobzhansky and Sturtevant hit a critical ...

A popular explanation is the Dobzhansky-Muller (DM) model of hybrid incompatibility. In the ancestral population, the genotype is AA BB. When the population is split into two, A evolves into a in ...