| the origin of phoxinus eos-neogaeus unisexual hybrids. | phoxinus eos-neogaeus unisexual hybrids (cyprinidae, pisces) are among the few vertebrate taxa known to reproduce clonally by gynogenesis. these taxa have a broad distribution in north america, mostly located in regions previously covered by the last pleistocene ice sheet. to assess whether asexual hybrids dispersed from glacial refuges at the end of the pleistocene or they originated from current hybridization events, genetic diversity of mitochondrial dna (mtdna) sequences and microsatellite l ... | 2007 | 17892466 |