Polygenic Effects on the Z Chromosome Underlie Hybrid Incompatibility in Papilio and Heliconius Butterflies
T. Xiong, S. Tarikere, N. Rosser, X. Li, M. Yago, J. Mallet
This study identifies a polygenic mechanism on the Z chromosome causing hybrid incompatibility in butterflies, explaining Haldane's Rule and the large-X/Z effect through introgression skew and variability.
bioRxiv · Oct 28, 2022 · PreprintEvolutionary Biology