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Author (up) Tomkins, J.L.; Penrose, M.A.; Greeff, J.; LeBas, N.R. url  doi
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  Title Additive genetic breeding values correlate with the load of partially deleterious mutations Type Journal Article
  Year 2010 Publication Science Abbreviated Journal Science  
  Volume 328 Issue 5980 Pages 892-894  
  Keywords Alleles; Animals; Beetles/*genetics/physiology; *Breeding; Female; Genes, Insect; Genes, Recessive; Genetic Fitness; *Genetic Variation; Inbreeding; Male; *Mating Preference, Animal; *Mutation; Reproduction; *Selection, Genetic; Sex Characteristics  
  Abstract The mutation-selection-balance model predicts most additive genetic variation to arise from numerous mildly deleterious mutations of small effect. Correspondingly, “good genes” models of sexual selection and recent models for the evolution of sex are built on the assumption that mutational loads and breeding values for fitness-related traits are correlated. In support of this concept, inbreeding depression was negatively genetically correlated with breeding values for traits under natural and sexual selection in the weevil Callosobruchus maculatus. The correlations were stronger in males and strongest for condition. These results confirm the role of existing, partially recessive mutations in maintaining additive genetic variation in outbred populations, reveal the nature of good genes under sexual selection, and show how sexual selection can offset the cost of sex.  
  Address Centre for Evolutionary Biology, School of Animal Biology, The University of Western Australia, Nedlands, WA 6009, Australia. jtomkins@cyllene.uwa.edu.au  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0036-8075 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:20466931 Approved no  
  Call Number Bridgewater @ rpuffenb @ Serial 18  
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