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  • 1
    Publikationsdatum: 2008-05-31
    Beschreibung: Close relatedness has long been considered crucial to the evolution of eusociality. However, it has recently been suggested that close relatedness may be a consequence, rather than a cause, of eusociality. We tested this idea with a comparative analysis of female mating frequencies in 267 species of eusocial bees, wasps, and ants. We found that mating with a single male, which maximizes relatedness, is ancestral for all eight independent eusocial lineages that we investigated. Mating with multiple males is always derived. Furthermore, we found that high polyandry (〉2 effective mates) occurs only in lineages whose workers have lost reproductive totipotency. These results provide the first evidence that monogamy was critical in the evolution of eusociality, strongly supporting the prediction of inclusive fitness theory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, William O H -- Oldroyd, Benjamin P -- Beekman, Madeleine -- Ratnieks, Francis L W -- New York, N.Y. -- Science. 2008 May 30;320(5880):1213-6. doi: 10.1126/science.1156108.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative and Comparative Biology, University of Leeds, Leeds, LS2 9JT, UK. w.o.h.hughes@leeds.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18511689" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Altruism ; Animals ; Ants ; Bees ; *Biological Evolution ; Female ; Male ; Phylogeny ; *Sexual Behavior, Animal ; *Social Behavior ; Sociobiology ; Wasps
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2011-03-25
    Beschreibung: Arising from M. A. Nowak, C. E. Tarnita & E. O. Wilson 466, 1057-1062 (2010); Nowak et al. reply. The paper by Nowak et al. has the evolution of eusociality as its title, but it is mostly about something else. It argues against inclusive fitness theory and offers an alternative modelling approach that is claimed to be more fundamental and general, but which, we believe, has no practical biological meaning for the evolution of eusociality. Nowak et al. overlook the robust empirical observation that eusociality has only arisen in clades where mothers are associated with their full-sibling offspring; that is, in families where the average relatedness of offspring to siblings is as high as to their own offspring, independent of population structure or ploidy. We believe that this omission makes the paper largely irrelevant for understanding the evolution of eusociality.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boomsma, Jacobus J -- Beekman, Madeleine -- Cornwallis, Charlie K -- Griffin, Ashleigh S -- Holman, Luke -- Hughes, William O H -- Keller, Laurent -- Oldroyd, Benjamin P -- Ratnieks, Francis L W -- England -- Nature. 2011 Mar 24;471(7339):E4-5; author reply E9-10. doi: 10.1038/nature09832.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21430722" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Altruism ; Animals ; *Biological Evolution ; Cooperative Behavior ; Female ; Game Theory ; Genetic Fitness ; Genetics, Population ; Male ; *Models, Biological ; Reproducibility of Results ; Reproduction/physiology ; Selection, Genetic ; Sex Ratio ; *Siblings
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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