January 24, 2024 Devi, Archana, Gil Speyer, and Michael Lynch. 2023. “The Divergence of Mean Phenotypes under Persistent Directional Selection.” GENETICS 224 (3). Home » Devi, Archana, Gil Speyer, and Michael Lynch. 2023. “The Divergence of Mean Phenotypes under Persistent Directional Selection.” GENETICS 224 (3).