Search results for "Lek paradox"

showing 2 items of 2 documents

Males influence maternal effects that promote sexual selection: a quantitative genetic experiment with dung beetles Onthophagus taurus

2003

J.S.K. was funded by the Academy of Finland, L.W.S. by the Australian Research Council, J.H. by an Australian Postgraduate Award, and J.L.T. by a postdoctoral research fellowship from the University of Western Australia. Recently, doubt has been cast on studies supporting good genes sexual selection by the suggestion that observed genetic benefits for offspring may be confounded by differential maternal allocation. In traditional analyses, observed genetic sire effects on offspring phenotype may result from females allocating more resources to the offspring of attractive males. However, maternal effects such as differential allocation may represent a mechanism promoting genetic sire effects…

MaleDifferential-allocationOffspringMaternal effectsQH301 BiologyCondition dependenceevoluutioseksuaalivalintaOnthophagus taurusScarabaeidaeCoefficient of additive genetic varianceAcuminatus coleopteraFluctuating asymmetryHeritabilityDifferential allocationQH301Alternative reproductive tacticsGenetic variationAnimalsSex RatioSelection GeneticEcology Evolution Behavior and SystematicsCallosobruchus-maculatus coleopteraLek paradoxGeneticsbiologyFluctuating asymmetrySireMaternal effectGenetic VariationHeritabilitybiology.organism_classificationBiological EvolutionColeopteraIndirect genetic effectsEvolutionary biologySexual selectionBruchid beetleBody ConstitutionFemaleFemale fecundity
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Maintenance of genetic variation in sexual ornamentation : role of precopulatory and postcopulatory sexual selection

2010

Phoxinus phoxinusseksuaalipiirteetSalvelinus alpinussukupuolivalintaseksuaalivalintapiilovalintasexual selectionlek paradoxmate choiceCoregonus lavaretusgeneettinen muuntelugenetic benefitskelpoisuus
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