Article
Evolutionary paths underlying flower color variation in Antirrhinum.
Science (New York, N.Y.) - 18 Aug 2006
Whibley Annabel C, Langlade Nicolas B, Andalo Christophe, Hanna Andrew I, Bangham Andrew, Thébaud Christophe, Coen Enrico
Abstract excerpt
To understand evolutionary paths connecting diverse biological forms, we defined a three-dimensional genotypic space separating two flower color morphs of Antirrhinum. A hybrid zone between morphs showed a steep cline specifically at genes controlling flower color differences, indicating that these loci are under selection. Antirrhinum species with diverse floral phenotypes formed a U-shaped cloud within the...
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