Complex and Dynamic Gene-by-Age and Gene-by-Environment Interactions Underlie Functional Morphological Variation in Adaptive Divergence in Arctic Charr (Salvelinus alpinus).

Abstract excerpt

The evolution of adaptive phenotypic divergence requires heritable genetic variation. However, it is underappreciated that trait heritability is molded by developmental processes interacting with the environment. We hypothesized that the genetic architecture of divergent functional traits was dependent on age and foraging environment. Thus, we induced plasticity in full-sib families of Arctic charr (Salvelinus...

Topics

• Animals
• Trout
• Quantitative Trait Loci
• Gene-Environment Interaction
• Genetic Variation
• Body Size
• Phenotype
• Adaptation, Physiological
• Male