Article
Does migration of hybrids contribute to post-zygotic isolation in flycatchers?
Proceedings. Biological sciences - 7 Mar 2007
Veen Thor, Svedin Nina, Forsman Jukka T, Hjernquist Mårten B, Qvarnström Anna, Hjernquist Katherine A Thuman, Träff Johan, Klaassen Marcel
Abstract excerpt
In the face of hybridization, species integrity can only be maintained through post-zygotic isolating barriers (PIBs). PIBs need not only be intrinsic (i.e. hybrid inviability and sterility caused by developmental incompatibilities), but also can be extrinsic due to the hybrid's intermediate phenotype falling between the parental niches. For example, in migratory species, hybrid fitness might be reduced as a...
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