Academic literature on the topic 'Haplodiploidy Hypothesis'

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Journal articles on the topic "Haplodiploidy Hypothesis"

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Kennedy, P., and A. N. Radford. "Sibling quality and the haplodiploidy hypothesis." Biology Letters 16, no. 3 (2020): 20190764. http://dx.doi.org/10.1098/rsbl.2019.0764.

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The ‘haplodiploidy hypothesis’ argues that haplodiploid inheritance in bees, wasps, and ants generates relatedness asymmetries that promote the evolution of altruism by females, who are less related to their offspring than to their sisters (‘supersister’ relatedness). However, a consensus holds that relatedness asymmetry can only drive the evolution of eusociality if workers can direct their help preferentially to sisters over brothers, either through sex-ratio biases or a pre-existing ability to discriminate sexes among the brood. We show via a kin selection model that a simple feature of ins
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Rautiala, Petri, Heikki Helanterä, and Mikael Puurtinen. "Extended haplodiploidy hypothesis." Evolution Letters 3, no. 3 (2019): 263–70. http://dx.doi.org/10.1002/evl3.119.

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Johnstone, Rufus A., Michael A. Cant, and Jeremy Field. "Sex-biased dispersal, haplodiploidy and the evolution of helping in social insects." Proceedings of the Royal Society B: Biological Sciences 279, no. 1729 (2011): 787–93. http://dx.doi.org/10.1098/rspb.2011.1257.

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In his famous haplodiploidy hypothesis, W. D. Hamilton proposed that high sister–sister relatedness facilitates the evolution of kin-selected reproductive altruism among Hymenopteran females. Subsequent analyses, however, suggested that haplodiploidy cannot promote altruism unless altruists capitalize on relatedness asymmetries by helping to raise offspring whose sex ratio is more female-biased than the population at large. Here, we show that haplodiploidy is in fact more favourable than is diploidy to the evolution of reproductive altruism on the part of females, provided only that dispersal
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Kraaijeveld, Ken. "Male genes with nowhere to hide; sexual conflict in haplodiploids." Animal Biology 59, no. 4 (2009): 403–15. http://dx.doi.org/10.1163/157075509x12499949744225.

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AbstractConflicts of interest between male and females over reproduction and gene expression are thought to be widespread among animals. However, most research on sexual conflict focuses on diploid, bisexual organisms. It is not obvious that the role of sexual conflict is the same in diploids as in organisms with different reprodutive systems. Here, I consider the potential for evolutionary change through sexual conflict in haplodiploids. As very little sexual conflict theory has been developed specifically for haplodiploids, I rely on the analogy between haplodiploid reproduction and X-chromo
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Kerr, Warwick Estevam. "Sex determination in honey bees (Apinae and Meliponinae) and its consequences." Brazilian Journal of Genetics 20, no. 4 (1997): 601–12. http://dx.doi.org/10.1590/s0100-84551997000400008.

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The first experiments on sex determination in bees began with Dzierzon, Meves, Nachtsheim, Paulcke, Petrunkewitsch, Manning. Whiting, (1943) found multiple alleles in Bracon xo that are the Rosetta stone of sex determination in Hymenoptera. Whiting also discovered that some species of microhymenoptera do not possess xo sex alleles. Therefore, Hymenoptera apparently presents two types of sex determination superimposed on haplodiploidy. In the panmictic groups hemizygous (xo1, xo2,... xon) and homozygous (xo1xo1, xo2xo2... xonxon) are males while heterozygous (xo1xo2, ... xon-1xon) are females.
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Bourke, Andrew F. G. "The validity and value of inclusive fitness theory." Proceedings of the Royal Society B: Biological Sciences 278, no. 1723 (2011): 3313–20. http://dx.doi.org/10.1098/rspb.2011.1465.

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Social evolution is a central topic in evolutionary biology, with the evolution of eusociality (societies with altruistic, non-reproductive helpers) representing a long-standing evolutionary conundrum. Recent critiques have questioned the validity of the leading theory for explaining social evolution and eusociality, namely inclusive fitness (kin selection) theory. I review recent and past literature to argue that these critiques do not succeed. Inclusive fitness theory has added fundamental insights to natural selection theory. These are the realization that selection on a gene for social beh
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Epplen, J. T. "WITHIN-COLONY RELATEDNESS IN A TERMITE SPECIES: GENETIC ROADS TO EUSOCIALITY?" Behaviour 136, no. 9 (1999): 1045–63. http://dx.doi.org/10.1163/156853999501702.

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AbstractHamilton's theory predicts that relatedness asymmetries, with higher relatedness between alloparents and brood than between parents and brood, favour the evolution of eusociality. The haplodiploid reproductive system of the social Hymenoptera does indeed produce relatedness asymmetries, but the diplodiploid system of the eusocial Isoptera does not automatically do so. Three mechanisms that might favour relatedness asymmetries, and therefore eusociality, in termites have been extensively debated: First, substantial inbreeding generates the background for effective kin-selection. Second,
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Macke, Emilie, Sara Magalhães, Hong Do-Thi Khan, et al. "Sex allocation in haplodiploids is mediated by egg size: evidence in the spider mite Tetranychus urticae Koch." Proceedings of the Royal Society B: Biological Sciences 278, no. 1708 (2010): 1054–63. http://dx.doi.org/10.1098/rspb.2010.1706.

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Haplodiploid species display extraordinary sex ratios. However, a differential investment in male and female offspring might also be achieved by a differential provisioning of eggs, as observed in birds and lizards. We investigated this hypothesis in the haplodiploid spider mite Tetranychus urticae , which displays highly female-biased sex ratios. We show that egg size significantly determines not only larval size, juvenile survival and adult size, but also fertilization probability, as in marine invertebrates with external fertilization, so that female (fertilized) eggs are significantly larg
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Macke, Emilie, Sara Magalhães, Fabien Bach, and Isabelle Olivieri. "Sex-ratio adjustment in response to local mate competition is achieved through an alteration of egg size in a haplodiploid spider mite." Proceedings of the Royal Society B: Biological Sciences 279, no. 1747 (2012): 4634–42. http://dx.doi.org/10.1098/rspb.2012.1598.

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Sex-ratio adjustments are commonly observed in haplodiploid species. However, the underlying proximate mechanisms remain elusive. We investigated these mechanisms in Tetranychus urticae , a haplodiploid spider mite known to adjust sex ratio in response to the level of local mate competition (LMC). In this species, egg size determines fertilization probability, with larger eggs being more likely to be fertilized, and thus become female. We explored the hypothesis that sex-ratio adjustment is achieved through adjustment of egg size. By using spider mites from a large population, we found that fe
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Matsuura, Kenji. "A Test of the Haplodiploid Analogy Hypothesis in the Termite Reticulitermes speratus (Isoptera: Rhinotermitidae)." Annals of the Entomological Society of America 95, no. 5 (2002): 646–49. http://dx.doi.org/10.1603/0013-8746(2002)095[0646:atotha]2.0.co;2.

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Dissertations / Theses on the topic "Haplodiploidy Hypothesis"

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Arathi, H. S. "Social Organisation And Cooperation In Genetically Mixed Colonies Of The Primitively Eusocial Wasp, Ropalidia Marginata." Thesis, Indian Institute of Science, 1996. http://etd.iisc.ac.in/handle/2005/136.

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Altruism in its extreme form is seen in social insects where most individuals give up their own reproduction and work to rear the offspring of their queen. The origin and evolution of such sterile worker castes remains a major unsolved problem in evolutionary biology. Primitively eusocial polistine wasps are an attractive model system for investigating this phenomenon. Ropalidia marginata (Lep.) (Hymenoptera: Vespidae) is one such tropical primitively eusocial wasp, in which new nests are initiated either by a single foundress or by a group of female wasps. Worker behaviour in Ropalidia margin
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Arathi, H. S. "Social Organisation And Cooperation In Genetically Mixed Colonies Of The Primitively Eusocial Wasp, Ropalidia Marginata." Thesis, Indian Institute of Science, 1996. http://hdl.handle.net/2005/136.

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Abstract:
Altruism in its extreme form is seen in social insects where most individuals give up their own reproduction and work to rear the offspring of their queen. The origin and evolution of such sterile worker castes remains a major unsolved problem in evolutionary biology. Primitively eusocial polistine wasps are an attractive model system for investigating this phenomenon. Ropalidia marginata (Lep.) (Hymenoptera: Vespidae) is one such tropical primitively eusocial wasp, in which new nests are initiated either by a single foundress or by a group of female wasps. Worker behaviour in Ropalidia margin
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