Genetic Variation for Phenotypic Plasticity in the Larval Life History of Spadefoot Toads (scaphiopus Couchii).

  title={Genetic Variation for Phenotypic Plasticity in the Larval Life History of Spadefoot Toads (scaphiopus Couchii).},
  author={Robert A. Newman},
  journal={Evolution; international journal of organic evolution},
  volume={48 6},
Phenotypic plasticity in life-history traits is common. The relationship between phenotype and environment, or reaction norm, associated with life-history plasticity can evolve by natural selection if there is genetic variation within a population for the reaction norm and if the traits involved affect fitness. As with other traits, selection on plasticity in a particular trait or in response to a particular environmental factor may be constrained by trade-offs with other traits that affect… CONTINUE READING
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