Phenotypic plasticity, genotype x environment interaction, and the sexual selection process

Genotype-environment Interaction and the Evolution of Phenotypic Plasticity.

Studies of spatial variation in the environment have primarily focused on how genetic variation can be maintained. Many one-locus genetic models have addressed this issue, but, for several reasons, these models are not directly applicable to quantitative (polygenic) traits. One reason is that for continuously varying characters, the evolution of the mean phenotype expressed in different environ...

Genotype x environment interaction in the regional testing of safflower cultivars

Phenotypic plasticity, sexual selection and the evolution of colour patterns.

When a population comes to occupy a new environment, phenotypically plastic responses alter the distribution of phenotypes, and hence affect both the direction and the intensity of selection. Rates of evolution can be accelerated or retarded compared to what would happen in the absence of plasticity. Plastic responses in one trait result in novel selection pressures on other traits, and this ca...

Phenotypic plasticity and genotype by environment interaction for olfactory behavior in Drosophila melanogaster.

Genotype by environment interactions (GEI) play a major part in shaping the genetic architecture of quantitative traits and are confounding factors in genetic studies, for example, in attempts to associate genetic variation with disease susceptibility. It is generally not known what proportion of phenotypic variation is due to GEI and how many and which genes contribute to GEI. Behaviors are co...

Genotype x environment interaction for male attractiveness in an acoustic moth: evidence for plasticity and canalization.

The lek paradox arises when choosy females deplete the genetic variance for male display traits from a population, yet substantial additive genetic variation (V(A)) in male traits persists. Thus, the lek paradox can be more generally stated as one of the most fundamental evolutionary questions: What maintains genetic variation in natural populations? One solution to this problem may be found in...