Speciation by postzygotic isolation: forces, genes and molecules.

  title={Speciation by postzygotic isolation: forces, genes and molecules.},
  author={H. Allen Orr and Daven C Presgraves},
  journal={BioEssays : news and reviews in molecular, cellular and developmental biology},
  volume={22 12},
New species arise as reproductive isolation evolves between diverging populations. Here we review recent work in the genetics of postzygotic reproductive isolation-the sterility and inviability of species hybrids. Over the last few years, research has taken two new directions. First, we have begun to learn a good deal about the population genetic forces driving the evolution of postzygotic isolation. It has, for instance, become increasingly clear that conflict-driven processes, like sexual… CONTINUE READING

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