The evolutionary origination of a novel expression pattern through an extreme heterochronic shift.

Abstract excerpt

The evolutionary origins of morphological structures are thought to often depend upon the redeployment of old genes into new developmental settings. Although many examples of cis-regulatory divergence have shown how pre-existing patterns of gene expression have been altered, only a small number of case studies have traced the origins of cis-regulatory elements that drive new expression domains. Here, we elucidate...

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