Abstract
InDrosophila melanogaster sexual competition experiments, the time course of mating successes is sigmoidal. Following logarithmic transformation, the so-called “Wattiaux equation” changes these curves into straight lines, which can be compared by covariance analysis. This method allows discrimination of the behavior of the two male types in competition and following it during the course of time. From competition experiments between the mutantebony e 11 and the wild-type Canton S, we conclude that the wild-type male flies are really advantaged when rare, at least at a high light intensity. In darkness, even theebony males are advantaged, when rare. The use of less refined indices does not lead to the same conclusion.
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Lichtenberger, M., Lechien, J. & Elens, A. Influence of light intensity on rare-male advantage inDrosophila melanogaster . Behav Genet 17, 203–210 (1987). https://doi.org/10.1007/BF01065998
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DOI: https://doi.org/10.1007/BF01065998