Polygenic Effects on the Z Chromosome Underlie Hybrid Incompatibility in Papilio and Heliconius Butterflies
T. Xiong, S. Tarikere, N. Rosser…·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.