Changes in selection pressure can facilitate hybridization during biological invasion in a Cuban lizard

Dan Bock, Simon Baeckens, Jessica Pita-Aquino, Zachary Chejanovski, Sozos Michaelides, Pavitra Muralidhar, Oriol Lapiedra, Sungdae Park, Douglas Menke, Anthony Geneva, Jonathan Losos & Jason Kolbe
Hybridization is among the evolutionary mechanisms most frequently hypothesized to drive the success of invasive species, in part because hybrids are common in invasive populations. One explanation for this pattern is that biological invasions coincide with a change in selection pressures that limit hybridization in the native range. To investigate this possibility, we studied the introduction of the brown anole (Anolis sagrei) in the southeastern United States. We find that native populations are highly genetically...
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