Polyploid speciation did not confer instant reproductive isolation in Capsella (Brassicaceae).

@article{Slotte2008PolyploidSD,
  title={Polyploid speciation did not confer instant reproductive isolation in Capsella (Brassicaceae).},
  author={Tanja Slotte and Huirun Huang and Martin Lascoux and Alf Ceplitis},
  journal={Molecular biology and evolution},
  year={2008},
  volume={25 7},
  pages={1472-81}
}
Polyploid formation is a major mode of sympatric speciation in flowering plants. Unlike other speciation processes, polyploidization is often assumed to confer instant reproductive isolation. Shared polymorphism across ploidy levels has therefore often been attributed to multiple polyploid origins, whereas the alternative hypothesis of introgressive hybridization has rarely been rigorously tested. Here, we sequence 12 nuclear loci representing 6 genes duplicated by polyploidy in 92 accessions… CONTINUE READING
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