Traversing the Adaptive Landscape in Snapdragons

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Science  18 Aug 2006:
Vol. 313, Issue 5789, pp. 924-925
DOI: 10.1126/science.1130958

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The genetic changes that underlie adaptive evolution of species are not easy to determine. Snapdragon species with different flower colors that coexist in the Pyrenees offer a promising system for analyzing them.