The heritable basis and cost of colour plasticity in coastrange sculpins.

Abstract excerpt

Both genetic and plastic traits contribute to adaptation in novel environments. Phenotypic plasticity can facilitate adaptation by allowing for existence in a wider range of conditions and a faster response to environmental change than gene-based selection. Coastrange sculpins (Cottus aleuticus) colonize new and variable streams arising in the wake of receding glaciers in south-east Alaska, and substrate-matching...

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