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Parallel changes in orthologous enhancers underlie the appearance of convergent morphologies in D. sechellia and D. ezoana. The black regions within trichome domains (figure 1) schematize the expression patterns of shavenbaby enhancers in (a) D. melanogaster, (b) D. sechellia, (c) D. virilis and (d) D. ezoana. Orthologous enhancers are positioned in the same column. Dotted boxes highlight the loss of enhancer activity in D. sechellia and D. ezoana. NT, not tested.
