Genetic circuit rewiring underlies a lineage-specific patterning machinery on butterfly wings
Phenotypes evolve through changes in gene regulatory networks (GRNs), but how changes in network topology contribute to phenotypic evolution is still poorly understood. Butterfly wing color patterns provide a tractable system to answer this question. Here, we compared the expression of four color pattern genes, WntA, pdm3, ivory, and Optix, in five nymphalid butterflies, and tested their…
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