Genetic polymorphism and trade-offs in the early life-history strategy of the Pacific oyster, Crassostrea gigas (Thunberg, 1795): a quantitative genetic study.

@article{Ernande2003GeneticPA,
  title={Genetic polymorphism and trade-offs in the early life-history strategy of the Pacific oyster, Crassostrea gigas (Thunberg, 1795): a quantitative genetic study.},
  author={Bruno Ernande and Jean Clobert and Helen McCombie and Pierre Boudry},
  journal={Journal of evolutionary biology},
  year={2003},
  volume={16 3},
  pages={399-414}
}
We investigated genetic variability and genetic correlations in early life-history traits of Crassostrea gigas. Larval survival, larval development rate, size at settlement and metamorphosis success were found to be substantially heritable, whereas larval growth rate and juvenile traits were not. We identified a strong positive genetic correlation between larval development rate and size at settlement, and argue that selection could optimize both age and size at settlement. However, trade-offs… CONTINUE READING

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