Measurement of frequency-dependent sexual activity in Drosophila Melanogaster |
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Authors: | M. Cereghetti F. Jacquemin P. Hols M. Lichtenberger A. Elens |
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Affiliation: | (1) Unité de Génétique et Physiologie cellulaire, Facultés Universitaires N.-D. de la Paix, B-5000, Namur, Belgium |
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Abstract: | In experiments on sexual competition in Drosophila melanogaster, the course of mating succes with time is represented by a sigmoid curve. By logarithmic transformation such curves are changed into straight lines that can be compared by covariance analysis. This method allows discrimination of the behaviour of the two types in competition, and allows us to follow it in the course of time. From a sexual competition experiment between the wild type Canton S and the mutant white-ebony we conclude that sexual activity of males and females of both types is generally frequency dependent, with evidence of rare-female advantage as well as rare-male advantage. |
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