Widespread sex ratio polymorphism in Caenorhabditis nematodes
Y. Huang, Y.-H. Lo, J.-C. Hsu, T. S. Le, F.-J. Yang, T. Chang, C. Braendle, J. Wang
The paper examines sex ratio polymorphism across 23 Caenorhabditis nematode species, finding that 12 species show strain-level variation, and challenges the sperm competition model as the sole explanation for biased sex ratios.
bioRxiv · Oct 26, 2021 · PreprintEvolutionary Biology