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Competition Between Males in the Determination of Mating Speed in Drosophila Pseudoobscura
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1966
Year
Breeding BehaviorFitnessMating SpeedGeneticsEntomologySexual SelectionPossible CombinationsReproductive BiologyReproduction ResponseCompetition Between MalesMolecular EcologyPublic HealthChich KaryotypesEvolutionary GeneticsAccount ReciprocalsGenetic VariationPopulation GeneticsBiologyEvolutionary BiologyGenetic AdmixtureMedicineMendelian InheritanceDrosophila Pseudoobscura
Kaul and Parsons (1965) showed that the mating speed of STIST, STICH, and CHICH karyotypes (ST = Standard and CH = Chiracahua gene arrangements) differed, and that the differences were almost entirely male-determined. This observation was based on single-pair matings for all possible combinations between these karotypes, of which there are nine, taking into account reciprocals.