dmd-3, a doublesex-related gene regulated by tra-1, governs sex-specific morphogenesis in C. elegans.

Abstract excerpt

Although sexual dimorphism is ubiquitous in animals, the means by which sex determination mechanisms trigger specific modifications to shared structures is not well understood. In C. elegans, tail tip morphology is highly dimorphic: whereas hermaphrodites have a whip-like, tapered tail tip, the male tail is blunt-ended and round. Here we show that the male-specific cell fusion and retraction that generate the...

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