Article
Major ecological transitions in wild sunflowers facilitated by hybridization.
Science (New York, N.Y.) - 29 Aug 2003
Rieseberg Loren H, Raymond Olivier, Rosenthal David M, Lai Zhao, Livingstone Kevin, Nakazato Takuya, Durphy Jennifer L, Schwarzbach Andrea E, Donovan Lisa A, Lexer Christian
Abstract excerpt
Hybridization is frequent in many organismal groups, but its role in adaptation is poorly understood. In sunflowers, species found in the most extreme habitats are ancient hybrids, and new gene combinations generated by hybridization are speculated to have contributed to ecological divergence. This possibility was tested through phenotypic and genomic comparisons of ancient and synthetic hybrids. Most trait...
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