A complex interplay between balancing selection and introgression maintains a genus-wide alternative life-history strategy.
k. tunström, A. Woronik, J. J. Hanly, P. Rastas, A. Chichvarkhin, A. D. Warren, A. Kawahara, S. D. Schoville, V. Ficarrotta, A. H. Porter, W. B. Watt, A. Martin, C. W. Wheat
The paper identifies the genetic basis of an alternative life-history strategy in butterflies and shows it originated once, maintained by balancing selection and introgression across species.
bioRxiv · May 20, 2021Evolutionary Biology