Speciation with gene flow is greatly facilitated when traits subject to divergent selection also
contribute to non-random mating. Such traits have been called 'magic traits', which could be …

Ecological processes are central to the formation of new species when barriers to gene flow
(reproductive isolation) evolve between populations as a result of ecologically‐based …

In recent years, scientists have realized that evolution can occur on timescales much shorter
than the" long lapse of ages" emphasized by Darwin—in fact, evolutionary change is …

The origin of biological diversity, via the formation of new species, can be inextricably linked
to adaptation to the ecological environment. Specifically, ecological processes are central to …

Most speciation events probably occur gradually, without complete and immediate
reproductive isolation, but the full extent of gene flow between diverging species has rarely …

Assortative mating occurs when there is a correlation (positive or negative) between male
and female phenotypes or genotypes across mated pairs. To determine the typical strength …

The past decade has seen a profound change in the scientific understanding of
reproduction. The traditional view of reproduction as a joint venture undertaken by two …

Pleiotropy refers to the phenomenon of one gene or one mutation affecting multiple
phenotypic traits. While the concept of pleiotropy is as old as Mendelian genetics, functional …

The large body of theory on speciation with gene flow has brought to light fundamental
differences in the effects of two types of mating rules on speciation: preference/trait rules, in …

Abstract Since Darwin published the “Origin,” great progress has been made in our
understanding of speciation mechanisms. The early investigations by Mayr and Dobzhansky …