Pre-reproductive isolation as a consequence of allopatric differentiation between populations of Drosophila melanogaster.

Abstract excerpt

While pre-reproductive isolations are more and more frequently described between closely related species or within species, very little is known about their conditions of emergence. In Brazzaville, two populations (Kronenbourg and Loua) of Drosophila melanogaster show a premating isolation. Two hypotheses were proposed to explain such a situation: a local sympatric differentiation or an allopatric divergence...

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