Natural populations of unisexual species occur among fish, amphibians and reptiles through normal reproductive strategies such as gynogenesis and hybridogenesis (Cimino, 1971; Dawley, 1989; Goddard and Schultz, 1993). Such unisexual populations have been reported in about 90 biotypes, which are commonly known as polyploids (Dawley, 1989; Vrijenhoek et al., 1989; Vasil’ev et al., 2005; Janko e…