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Free keywords:
P-element insertions; polygenic mutation; phenotypic
plasticity; genetic-variation; high-resolution; multiple loci;
selection; fitness; variability; population
Abstract:
The magnitude of segregating variation for bristle number in Drosophila melanogaster exceeds that predicted from models of mutation-selection balance. To evaluate the hypo thesis that gene type-environment interaction (GEI) maintains variation for br is
