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Consistent male–male paternity differences across female genotypes
journal contribution
posted on 2009-04-23, 00:00 authored by Craig ShermanCraig Sherman, E Wapstra, M OlssonIn a recent paper, we demonstrated that male-female genetic relatedness determines male probability of paternity in experimental sperm competition in the Peron's tree frog (Litoria peronii), with a more closely related male out-competing his rival. Here, we test the hypothesis that a male-male difference in siring success with one female significantly predicts the corresponding difference in siring success with another female. With male sperm concentration held constant, and the proportion of viable sperm controlled statistically, the male-male difference in siring success with one female strongly predicted the corresponding difference in siring success with another female, and alone explained more than 62 per cent of the variance in male-male siring differences. This study demonstrates that male siring success is primarily dictated by among-male differences in innate siring success with less influence of male-female relatedness.
History
Journal
Biology LettersVolume
5Pagination
232 - 234Publisher
The Royal Society PublishingLocation
London, EnglandPublisher DOI
ISSN
1744-9561eISSN
1744-957XLanguage
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2009, The Royal SocietyUsage metrics
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No categories selectedKeywords
Genetic compatibilityGood genesPaternityRelatednessSperm traitsAmphibianScience & TechnologyLife Sciences & BiomedicineBiologyEcologyEvolutionary BiologyLife Sciences & Biomedicine - Other TopicsEnvironmental Sciences & EcologyPERONS TREE FROGSPERM COMPETITIONLITORIA-PERONIIMATE CHOICEINBREEDING AVOIDANCEGENETIC SIMILARITYPOLYANDRYVIABILITYINSEMINATIONFECUNDITY
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