Phenotypic divergence and genomic architecture between parallel ecotypes at two different points on the speciation continuum in a marine snail
F. Raffini, A. De Jode, K. Johannesson, R. Faria, Z. B. Zagrodzka, A. M. Westram, J. Galindo, E. Rolan-Alvarez, R. K. Butlin
The paper compares parallel ecotypes of Littorina saxatilis in Spain and Sweden to assess divergence in gene flow, finding stronger reproductive isolation in Spain despite similar phenotypic divergence.
bioRxiv · Sep 21, 2023Evolutionary Biology