Selection in a fluctuating environment leads to decreased genetic variation and facilitates the evolution of phenotypic plasticity.

Abstract excerpt

Changes in the environment are expected to induce changes in the quantitative genetic variation, which influences the ability of a population to adapt to environmental change. Furthermore, environmental changes are not constant in time, but fluctuate. Here, we investigate the effect of rapid, continuous and/or fluctuating temperature changes in the seed beetle Callosobruchus maculatus, using an evolution...

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