Reproductive isolation and speciation
Cultural traditions and the evolution of reproductive isolation: ecological speciation in killer whales?
... genetic divergence of sympatric North Atlantic killer whale populations. Genetic differentiation among North Atlantic killer whale populations[r] ...
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Sexual and postmating reproductive isolation between allopatric Drosophila montana populations suggest speciation potential
... of reproductive barriers, and gained some information on the mechanisms underlying these barriers, between two geographically isolated ...postmating reproductive barriers in the form of a one-way decrease ...
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Speciation: The Genetics Responsible for Intrinsic Post-Zygotic Isolation
... the same time in the other population, a B mutation appears and becomes fixed; aaBb and aaBB are also viable and fertile. The alleles A and B have never been in the same population. If the two populations meet and ...
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Reproductive isolation in the Elegans Group of Caenorhabditis
... ABSTRACT Reproductive isolation is the basis of the Bio- logical Species Definition and can be a driving force of ...how reproductive isolation can arise within individual ...which ...
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Ecological speciation in sympatric palms: 2. Pre- and post-zygotic isolation
... Conclusion Reproductive isolation and divergent selection are two fundamental elements of ecological ...zygotic isolation occurs but is not complete: hybridiza- tion at the seedling stage is lower ...
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Hydrocarbon divergence and reproductive isolation in Timema stick insects
... specific sets of hydrocarbons may serve as signals for mate choice between species and populations; (2) in no- choice trials, mating was significantly more likely be- tween pairs of species with similar hydrocarbon ...
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Persistent postmating, prezygotic reproductive isolation between populations
... PMPZ reproductive barri - ers may be due to mismatched ejacu ate fema e reproductive tract interactions deriving from popu ation differentiation arising from se ection and or genetic drift However Jennings ...
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Sequence Diversity, Reproductive Isolation and Species Concepts in Saccharomyces
... Evidence of frequent spontaneous hybridization, lat- eral gene transfer, and introgression suggests that spe- cies boundaries are fuzzy and that networks may be present in the phylogeny. Classical phylogenetic trees can ...
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The Genetic Architecture of Reproductive Isolation in Louisiana Irises: Flowering Phenology
... of speciation usually involve the evo- lution of numerous prezygotic and postzygotic isolating barriers that act in concert to reduce the chance for gene flow between genetically and pheno- typically divergent ...
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The Evolution of Conditional Dispersal and Reproductive Isolation Along Environmental Gradients
... Dispersal modulates gene flow throughout a population’s spatial range. Gene flow affects adaptation at local spatial scales, and consequently impacts the evolution of reproductive isolation. A recent ...
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The origins of postmating reproductive isolation: testing hypotheses in the grasshopper Chorthippus parallelus
... study speciation in progress, which should not be difficult in the case of allopat- ric speciation because geographically separated populations of all species should be accumulating the differences that ...
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Parallel evolution of local adaptation and reproductive isolation in the face of gene flow
... 12 Department of Ecology and Evolutionary Biology, University of California, Irvine, 92697, California Received August 9, 2013 Accepted November 6, 2013 Parallel evolution of similar phenotypes provides strong evidence ...
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Coevolution of male and female mate choice can destabilize reproductive isolation
... Sexual interactions play an important role in the evolution of reproductive isolation, with important consequences for speciation. Theoretical studies have focused on the evolution of mate ...
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Evolution and speciation
... to speciation. For speciation to occur, barriers for the gene flow between populations have to ...of speciation defined by how the gene flow between populations is ...allopatric speciation a ...
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Reproductive isolation among Acropora Species (Scleractinia: Acroporidae) in a marginal coral assemblage
... Although hybridization has received a great deal of attention as a potential mechanism for speciation in Acropora, there is evidence to suggest that hybridization in nature is less common than in vitro. For ...
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The Genetics of Postmating, Prezygotic Reproductive Isolation Between Drosophila virilis and D. americana
... a polygenic basis in other Drosophila species, crickets, and monkeyflowers (C ivetta et al. 2002; B ritch et al. 2007; F ishman et al. 2008). A primary goal of speciation research is to identify the evolutionary ...
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piRNA silencing contributes to interspecies hybrid sterility and reproductive isolation in Drosophila melanogaster
... Reproductive isolation is a necessary condition for speci- ation ( 1 , 59 ...Postzygotic reproductive isolation appears as a consequence of random accumulation of genetic differences between ...
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Phenotypic divergence and reproductive isolation between sympatric forms of Japanese threespine sticklebacks
... to reproductive isolation at early stages of ...their reproductive behaviors. Both sexual isolation and hybrid male sterility contribute to reproductive isolation between the ...
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Reproductive Isolation in Hybrid Mice Due to Spermatogenesis Defects at Three Meiotic Stages
... of speciation, reproductive failures occur in hybrid animals between genetically diverged ...of reproductive isolation: B6-ChrX MSM , PGN-ChrX MSM , (B6 3 Mus musculus musculus-NJL/Ms) F 1 , ...
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Signatures of Reproductive Isolation in Patterns of Single Nucleotide Diversity Across Inbred Strains of Mice
... to speciation: A second caveat to our analysis is that forms of selection other than Dobzhansky-Muller-type selection are also predicted to maintain gametic disequilibrium in the face of recom- ...to ...
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