Speciation, the process by which new species arise, is not well understood. Even less is known about the underlying genetics of this process. This study examines the level of reproductive isolation between two closely related species, Drosophila melanogaster and D. simulans. All combinations of intra- and inter-specific single-pair matings were set up in a total of 288 crosses. In all cases, intra- specific crosses (controls) were more successful than inter-specific crosses (PD. melanogaster) is the most discriminating (PD. melanogaster, but not when it is D. simulans.
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Skundberg, Heidi, "Pre- and Post-zygotic Isolation Between Sibling Species of Drosophila" (1995). Honors Theses. 525.