A Genetic Constitution Frustrating the Sexual Drive in Drosophila paulistorum

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Science  06 May 1960:
Vol. 131, Issue 3410, pp. 1381-1382
DOI: 10.1126/science.131.3410.1381


Hybrids obtained in the laboratory between two subspecies of Drosophila paulistorum possess a genetic constitution which is discordant enough so that the hybrid females repel the courtship of all males, and will mate with none. The hybrid males will court and will be rejected by almost all females, including their own hybrid siblings.