The Rate of Evolution of Postmating-Prezygotic Reproductive Isolation in Drosophila.

ABSTRACT: Reproductive isolation is an intrinsic aspect of species formation. For that reason, the identification of the precise isolating traits, and the rates at which they evolve, is crucial to understanding how species originate and persist. Previous work has measured the rates of evolution of prezygotic and postzygotic barriers to gene flow, yet no systematic analysis has studied the rates of evolution of postmating-prezygotic (PMPZ) barriers. We measured the magnitude of two barriers to gene flow that act after mating occurs but before fertilization. We also measured the magnitude of a premating barrier (female mating rate in nonchoice experiments) and two postzygotic barriers (hybrid inviability and hybrid sterility) for all pairwise crosses of all nine known extant species within the melanog

SUBMITTER: Turissini DA 

PROVIDER: S-EPMC5850467 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature