Article
Quick divergence but slow convergence during ecotype formation in lake and stream stickleback pairs of variable age.
Journal of evolutionary biology - 1 Sept 2014
Lucek K, Sivasundar A, Kristjánsson B K, Skúlason S, Seehausen O
Abstract excerpt
When genetic constraints restrict phenotypic evolution, diversification can be predicted to evolve along so-called lines of least resistance. To address the importance of such constraints and their resolution, studies of parallel phenotypic divergence that differ in their age are valuable. Here, we investigate the parapatric evolution of six lake and stream threespine stickleback systems from Iceland and...
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