Evolutionary BiologybioRxivPreprint
The near-normal viability of heterozygote for a lethalenhancer allele suggests a route for cis-regulatory evolution.
This study investigates the viability of heterozygotes carrying a lethal cis-regulatory mutation in Drosophila and finds that viability is not reduced, suggesting compensatory mechanisms in evolution.
DOI 10.1101/2023.09.30.560335