The relative influence of natural selection and geography on gene flow in guppies.

@article{Crispo2006TheRI,
  title={The relative influence of natural selection and geography on gene flow in guppies.},
  author={Erika Crispo and Paul Bentzen and David N. Reznick and Michael T. Kinnison and Andrew P. Hendry},
  journal={Molecular ecology},
  year={2006},
  volume={15 1},
  pages={49-62}
}
Two general processes may influence gene flow among populations. One involves divergent selection, wherein the maladaptation of immigrants and hybrids impedes gene flow between ecological environments (i.e. ecological speciation). The other involves geographic features that limit dispersal. We determined the relative influence of these two processes in natural populations of Trinidadian guppies (Poecilia reticulata). If selection is important, gene flow should be reduced between different… CONTINUE READING
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