Mating propensities and variations in enzyme activities in long-term cage populations of Drosophila melanogaster.

Abstract excerpt

Environment-dependent reproductive isolation was established between cage populations (Bs) of Drosophila melanogaster originated from a Greek natural population (summer 1973) and maintained for about five years under different diets (poor-rich). The detected deviation from random mating involved no homogametic or heterogametic preference but rather, a significantly increased activity of males from populations...

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