Polyploid Hybrids: Multiple Origins of a Treefrog Species

@article{Vrijenhoek2006PolyploidHM,
  title={Polyploid Hybrids: Multiple Origins of a Treefrog Species},
  author={R. Vrijenhoek},
  journal={Current Biology},
  year={2006},
  volume={16},
  pages={R245-R247}
}
Hyla versicolor, a tetraploid treefrog, is reported to have originated via multiple hybridization events involving three diploid ancestors. Its complex reticulate history provides insights into the roles that polyploidy and hybridization can play in the origin of species. 
Fertile triploid males: an uncommon case among hybrid vertebrates.
Sticky Genomes: Using NGS Evidence to Test Hybrid Speciation Hypotheses
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