%0 Journal Article %T Courtship behavior: Resurrecting an undead song. %A Kelley DB %J Curr Biol %V 34 %N 13 %D 2024 Jul 8 %M 38981426 %F 10.9 %R 10.1016/j.cub.2024.05.013 %X The fly Drosophila yakuba has lost an ancestral component of the male courtship song: this is due to ontogenetic death of effector neurons in the ventral nerve cord, a result of the D. yakuba sex-determining gene dsx producing a male isoform, dsxM, with cell-death-promoting activity similar to that of the female isoform, dsxF, in D. melanogaster.