Carlson et al. build a mathematical model considering how genotype-by-environment interactions can maintain variation and parametrize their model to test its applicability to real mutualisms.
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www.journals.uchicago.edu/doi/10.1086/...
Abstract Coevolution requires reciprocal genotype-by-genotype (G × G) interactions for fitness, which occur when the fitness of a genotype in one species depends on the genotype it interacts with in a...
