Dating origins polyploidy events

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Frogs, Flies, and Dandelions: the Making of Species, Oxford Univ.

They are identified through whole genome comparisons using a combination of the data derived from genomic structure (e.g. As such, detecting these events and determining which lineages share what subset are continually changing.There is further evidence that speciation can be caused by infection with a symbiont. A Wolbachia bacterium infects and causes postmating reproductive isolation between the wasps Nasonia vitripennis and N. Stebbins and his contemporaries developed a model of polyploid evolution that persisted for nearly half a century.As new perspectives emerged in the 1980s and new genetic tools for addressing key aspects of polyploidy have become available, a new paradigm of polyploidy has replaced much of the Stebbinsian framework.

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