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Natural selection and parallel speciation in sympatric sticklebacks.
TLDR
The post-Pleistocene radiation of threespine sticklebacks was used to infer natural selection in the origin of species, and speciation has proceeded in this adaptive radiation in a repeatable fashion.
A TEST OF ECOLOGICALLY DEPENDENT POSTMATING ISOLATION BETWEEN SYMPATRIC STICKLEBACKS
  • H. Rundle
  • Environmental Science
    Evolution; international journal of organic…
  • 1 February 2002
TLDR
A reversal of relative fitness of the two cross‐types in the two environments provides strong evidence that divergent natural selection has played a central role in the evolution of postmating isolation between Benthics and Limnetics.
PARALLEL EVOLUTION OF SEXUAL ISOLATION IN STICKLEBACKS
TLDR
This work investigates the roles of divergent natural and sexual selection in the evolution of sexual isolation between sympatric species of threespine sticklebacks and finds that sexual isolation arises in the same way: assortative mating on body size and asymmetric isolation due to male nuptial color.
A GENETIC INTERPRETATION OF ECOLOGICALLY DEPENDENT ISOLATION
  • H. Rundle, M. Whitlock
  • Biology, Environmental Science
    Evolution; international journal of organic…
  • 1 January 2001
TLDR
A quantitative genetic model of Lynch (1991) is expanded to include two parental environments and it is revealed that by using both backcrosses in both parental environments, environment‐specific additive genetic effects can be estimated while correcting for any intrinsic genetic isolation.
REINFORCEMENT OF STICKLEBACK MATE PREFERENCES: SYMPATRY BREEDS CONTEMPT
TLDR
Results are consistent with the hypothesis that female mate preferences have evolved as a response to reduced hybrid fitness (reinforcement), although direct effects of sympatry or a biased extinction process could also produce the pattern.
Divergent Selection and the Evolution of Signal Traits and Mating Preferences
TLDR
The divergence of mating preferences in correlation with environment is consistent with the classic by-product model of speciation in which premating isolation evolves as a side effect of divergent selection adapting populations to their different environments.
Characterizing the evolution of genetic variance using genetic covariance tensors
TLDR
A geometric framework using higher-order tensors is developed, which enables the empirical characterization of how G matrices have diverged among populations, and shows how divergence among populations in genetic covariance structure can then be associated with divergence in selection acting on those traits using key equations from evolutionary theory.
Genetic Constraints and the Evolution of Display Trait Sexual Dimorphism by Natural and Sexual Selection
TLDR
Quantitative genetic analyses showed that intersexual genetic correlations were high because of autosomal genetic variance but that the inclusion of X‐linked effects reduced genetic correlations substantially, indicating that sex linkage may be an important mechanism by which inter sexual genetic constraints are reduced in this species.
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