Population size is weakly related to quantitative genetic variation and trait differentiation in a stream fish.

@article{Wood2015PopulationSI,
  title={Population size is weakly related to quantitative genetic variation and trait differentiation in a stream fish.},
  author={Jacquelyn Lee Ann Wood and Defne Tezel and Destin Joyal and Dylan J Fraser},
  journal={Evolution; international journal of organic evolution},
  year={2015},
  volume={69 9},
  pages={2303-18}
}
How population size influences quantitative genetic variation and differentiation among natural, fragmented populations remains unresolved. Small, isolated populations might occupy poor quality habitats and lose genetic variation more rapidly due to genetic drift than large populations. Genetic drift might furthermore overcome selection as population size decreases. Collectively, this might result in directional changes in additive genetic variation (VA ) and trait differentiation (QST ) from… CONTINUE READING
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