Supergene evolution triggered by the introgression of a chromosomal inversion
P. Jay, A. Whibley, L. Frezal, A. de Cara, R. W. Nowell, J. Mallet, K. K. Dasmahapatra, M. Joron
The paper shows that supergene alleles in Heliconius numata butterflies arise from introgression of a chromosomal inversion, leading to balanced polymorphism and mimicry polymorphism.
bioRxiv · Dec 14, 2017Evolutionary Biology