Relevant bibliographies by topics / Inbreeding avoidance

Academic literature on the topic 'Inbreeding avoidance'

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Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Inbreeding avoidance"

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Blouin, Sharon Forster, and Michael Blouin. "Inbreeding avoidance behaviors." Trends in Ecology & Evolution 3, no. 9 (September 1988): 230–33. http://dx.doi.org/10.1016/0169-5347(88)90164-4.

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Packer, Craig. "Dispersal and inbreeding avoidance." Animal Behaviour 33, no. 2 (May 1985): 676–78. http://dx.doi.org/10.1016/s0003-3472(85)80096-8.

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Perrin, Nicolas, and Vladimir Mazalov. "Dispersal and Inbreeding Avoidance." American Naturalist 154, no. 3 (September 1999): 282–92. http://dx.doi.org/10.1086/303236.

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Perrin and Mazalov. "Dispersal and Inbreeding Avoidance." American Naturalist 154, no. 3 (1999): 282. http://dx.doi.org/10.2307/2463651.

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Pusey, Anne, and Marisa Wolf. "Inbreeding avoidance in animals." Trends in Ecology & Evolution 11, no. 5 (May 1996): 201–6. http://dx.doi.org/10.1016/0169-5347(96)10028-8.

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Hu, Yibo, Yonggang Nie, Wei Wei, Tianxiao Ma, Russell Van Horn, Xiaoguang Zheng, Ronald R. Swaisgood, et al. "Inbreeding and inbreeding avoidance in wild giant pandas." Molecular Ecology 26, no. 20 (September 12, 2017): 5793–806. http://dx.doi.org/10.1111/mec.14284.

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Duthie, A. Bradley, and Jane M. Reid. "What Happens after Inbreeding Avoidance? Inbreeding by Rejected Relatives and the Inclusive Fitness Benefit of Inbreeding Avoidance." PLOS ONE 10, no. 4 (April 24, 2015): e0125140. http://dx.doi.org/10.1371/journal.pone.0125140.

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Herfindal, Ivar, Hallvard Haanes, Knut H. Røed, Erling J. Solberg, Stine S. Markussen, Morten Heim, and Bernt-Erik Sæther. "Population properties affect inbreeding avoidance in moose." Biology Letters 10, no. 12 (December 2014): 20140786. http://dx.doi.org/10.1098/rsbl.2014.0786.

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Mechanisms reducing inbreeding are thought to have evolved owing to fitness costs of breeding with close relatives. In small and isolated populations, or populations with skewed age- or sex distributions, mate choice becomes limited, and inbreeding avoidance mechanisms ineffective. We used a unique individual-based dataset on moose from a small island in Norway to assess whether inbreeding avoidance was related to population structure and size, expecting inbreeding avoidance to be greater in years with larger populations and even adult sex ratios. The probability that a potential mating event was realized was negatively related to the inbreeding coefficient of the potential offspring, with a stronger relationship in years with a higher proportion or number of males in the population. Thus, adult sex ratio and population size affect the degree of inbreeding avoidance. Consequently, conservation managers should aim for sex ratios that facilitate inbreeding avoidance, especially in small and isolated populations.
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Fitzpatrick, J. L., and J. P. Evans. "Postcopulatory inbreeding avoidance in guppies." Journal of Evolutionary Biology 27, no. 12 (December 2014): 2585–94. http://dx.doi.org/10.1111/jeb.12545.

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Nichols, H. J., M. A. Cant, J. I. Hoffman, and J. L. Sanderson. "Evidence for frequent incest in a cooperatively breeding mammal." Biology Letters 10, no. 12 (December 2014): 20140898. http://dx.doi.org/10.1098/rsbl.2014.0898.

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As breeding between relatives often results in inbreeding depression, inbreeding avoidance is widespread in the animal kingdom. However, inbreeding avoidance may entail fitness costs. For example, dispersal away from relatives may reduce survival. How these conflicting selection pressures are resolved is challenging to investigate, but theoretical models predict that inbreeding should occur frequently in some systems. Despite this, few studies have found evidence of regular incest in mammals, even in social species where relatives are spatio-temporally clustered and opportunities for inbreeding frequently arise. We used genetic parentage assignments together with relatedness data to quantify inbreeding rates in a wild population of banded mongooses, a cooperatively breeding carnivore. We show that females regularly conceive to close relatives, including fathers and brothers. We suggest that the costs of inbreeding avoidance may sometimes outweigh the benefits, even in cooperatively breeding species where strong within-group incest avoidance is considered to be the norm.
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Dissertations / Theses on the topic "Inbreeding avoidance"

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Simeoni, Michelle. "Inbreeding and inbreeding avoidance in the long-tailed tit." Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.632836.

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Ferreira, Álvaro Gil Araújo. "Inbreeding avoidance and the genetic basis of inbreeding depression in Drosophila." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599002.

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This dissertation describes a study of the role of sexual selection in inbreeding avoidance and an extensive analysis of the genetics basis of inbreeding depression using species of the fruit fly Drosophila as model organisms. Using behaviour experiments and molecular genetic techniques I investigated the role of both female mate choice and polyandry in inbreeding avoidance. My results show that in the four Drosophila species analysed (D. melanogaster, D. simulans, D. subobscura and D. littoralis) female flies are not able to avoid inbreeding through mate choice. However, when polyandry was investigated in D. melanogaster and in D. littoralis I found that post-copulatory mechanisms can contribute to inbreeding avoidance. Specifically, females sometimes appear preferentially to use sperm from an unrelated rather than related partner. However, the pattern is complicated and the exact outcome appears to depend on the species, the remating frequency and on male mating order. Concerning inbreeding depression, two main genetic mechanisms have been invoked to explain the deleterious effects associated with inbreeding, one based on the exposure of deleterious recessive alleles and the other on heterozygote advantage. In order to investigate the relative importance of these two mechanisms, I analysed the relationship between heterozygosity at microsatellite markers and fitness in D. melanogaster, comparing inbred and outbred crosses under benign and stressed conditions. It was found that although the effects of deleterious recessive alleles have a significant effect, heterozygote advantage also plays an important role on inbreeding depression. Additionally, I show that the deleterious effects of inbreeding are at least partly environmental-specific.
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Zajitschek, Susanne Biological Earth &amp Environmental Sciences Faculty of Science UNSW. "The interplay between sexual selection, inbreeding and inbreeding avoidance in the guppy, Poecilia reticulata." Publisher:University of New South Wales. Biological, Earth & Environmental Sciences, 2008. http://handle.unsw.edu.au/1959.4/41218.

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Inbreeding can have profound negative effects on individuals by reducing fertility and viability. In populations, inbreeding depression can reduce growth rates and increases extinction risk. The aims of this thesis are to investigate inbreeding depression in male guppies (Poecilia reticulata) and to study the evolution of mechanisms for inbreeding avoidance in females, using guppies from a feral population in Queensland, Australia. Male guppies are highly polymorphic in their sexual ornamentation, indeed they show one of the most extreme polymorphisms observed in nature. Female guppies exhibit complex mate choice based on preferences for ornamentation, as well as social context. I aim is to examine how these factors of inbreeding avoidance alter sexual selection. In male guppies I found strong inbreeding depression in male sperm numbers, which is amplified under semi-natural compared to laboratory conditions (Chapter 2). Moreover, inbreeding depression results in low fertility under sperm competition: an experiment using artificial insemination techniques reveals that highly inbred males are heavily disadvantaged in gaining paternity (Chapter 3). On population level, inbreeding depression is manifest in reduced growth rates, predominantly in the early stages of inbreeding (Chapter 4). Population growth at inbreeding coefficients f=0.375-0.59 did not seem to lead to inbreeding depression, whereas lower levels of inbreeding reduced population growth. Although the growth rates in inbred populations appear normal, severe inbreeding depression is uncovered after outbred immigrants are added. Specifically, male immigrants are most efficient in short-term genetic rescue, probably due to insemination of large numbers of females whereas females are limited in the number of eggs they can produce (Chapter 4). Male ornamental traits show significant inbreeding depression in semi-natural conditions only (Chapters 2 & 3). Inbreeding avoidance mechanisms seem to have evolved in females: they prefer courtship displays of non-inbred males (Chapter 2), unfamiliar males (Chapter 5) and males with rare patterns (Chapter 6). This preference might increase the mating success of immigrants, and may have evolved to facilitate the avoidance of inbreeding. Together with context-independent preferences for ornament combinations (Chapter 6), it also offers an explanation for the maintenance of polymorphism in this species.
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Lucia, Kristen E. "Inbreeding avoidance and the effects of inbreeding on adult prairie voles (Microtus ochrogaster)." Miami University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=miami1313167384.

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Szulkin, Marta. "Inbreeding and its avoidance in a wild bird population." Thesis, University of Oxford, 2007. http://ora.ox.ac.uk/objects/uuid:25e95465-f4ab-43ce-92e2-9d7fe88efeef.

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Inbreeding occurs when relatives mate and have offspring. Inbreeding depression is hypothesized to have influenced the evolution of mating systems and behavioural mechanisms of inbreeding avoidance in the animal kingdom. Inbreeding in the wild is difficult to measure, as in order to build a pedigree allowing us to identify matings between relatives, the identity of as many as possible members of a population needs to be known. For a long time, the main source of knowledge about inbreeding depression was based on laboratory and agricultural studies, which did not reflect the array of environmental pressures wild populations have to cope with. In consequence, the deleterious consequences of inbreeding have often been underestimated. This is problematic because accurate estimates of the effect size of inbreeding depression are needed to study the strength of selection on inbreeding avoidance mechanisms, and are also of importance to conservation genetics. The aim of this thesis was to use pedigree data to infer the occurrence and effects of inbreeding using over forty years of breeding events of the great tit Parus major from Wytham Woods, Oxfordshire. The effects of inbreeding on fitness were investigated across a life-history continuum, and across environments. I found that close inbreeding (f=0.25) resulted in pronounced inbreeding depression, which acted independently on hatching success, fledging success, and recruitment success, and reduced the number of fledged grand-offspring by 55%. My results therefore suggest that estimates of fitness costs of inbreeding must focus on the entire life cycle. I also show that the variation in the strength of inbreeding depression varies across environments, particularly so the more the environmental variable considered is linked to fitness. These results emphasise the need of using relevant environmental contrasts when investigating inbreeding by environment interactions. I further asked whether individuals involved in matings with relatives differed relative to individuals mating with unrelated partners. I did not find any evidence for clear predictors of inbreeding, and I show that inbreeding depression in our population is entirely independent of any tendency for low quality parental genotypes, or phenotypes, to inbreed. Neither did I find any evidence for active inbreeding avoidance: great tits did not mate less often with kin than expected based on several scenarios of random mating, nor did I find increased rates of extra-pair paternity among birds breeding with relatives. In fact, I observed quite the contrary, as birds mating with kin exhibited a higher than average rate of close inbreeding relative to all scenarios of random mating investigated, showed lower rates of extra-pair paternity and divorce than birds mated to unrelated partners. I hypothesise that cases of occasional inbreeding in this population may result from mis-imprinting or a related process whereby some birds develop particularly strong bonds that are at odds with all predictions of avoiding inbreeding. Finally, I asked to what extent natal dispersal, a behaviour that is often hypothesized to play an important role in avoiding inbreeding, indeed reduces the likelihood of inbreeding. I found that male and female individuals breeding with a relative dispersed over several-fold shorter distances than those outbreeding. This led to a 3.4 fold increase (2.3-5, 95% CI) in the likelihood of close inbreeding relative to the population average when individuals dispersed less than 200m. This thesis demonstrates that inbreeding has deleterious effects on a wild population of birds, occurring throughout an individual’s life, and is of varying strength across environments. My findings strongly support the theory that natal dispersal should be considered as a mechanism of prime importance for inbreeding avoidance.
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Sherborne, Amy Louise. "Balancing selection at the major histocompatibility complex (MHC) : sequence diversity and inbreeding avoidance." Thesis, University of Liverpool, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501605.

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The major histocompatibility complex (MHC) is a much studied region of the mammalian genome because of its uniquely high level of polymorphism. Both natural and sexual selection have been implicated in the maintenance of MHC diversity. The elevated heterozygosity observed at the MHC could reflect overdominant heterozygote advantage against pathogenic infection. Equally, MHC disassortative mating would lead to an excess of heterozygotes.
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Daniels, Susan J. "Female Dispersal and Inbreeding in the Red-cockaded Woodpecker." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36971.

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Dispersal is a critical life-history component; it determines gene flow and has profound effects on population structure, demography, social systems, and population viability. To add to our knowledge of dispersal and, in particular, our understanding of the relationship between dispersal and inbreeding, I studied three aspects of the biology of the red-cockaded woodpecker: dispersal of breeding females; the costs, benefits, and frequency of inbreeding; and the effect of inbreeding on natal dispersal. Dispersal of breeding female red-cockaded woodpeckers is strongly associated with inbreeding avoidance and mate choice, weakly associated with site choice, and not found to be associated with social constraints. Estimates of mortality for non-dispersing and dispersing breeding females were 24 and 59 percent per year, respectively-rare evidence of the cost of breeding dispersal. Significant costs of close inbreeding were found. Closely related pairs (kinship coefficient greater than 0.1) had lower hatching success as well as lower survival and recruitment of fledglings than unrelated pairs. Moderately related pairs (kinship coefficient between 0 and 0.1) and moderately inbred individuals had increased hatching success, but did not produce more young. Despite documented costs of close inbreeding and a predictable spatial distribution of closely related males near the natal territory, female fledglings disperse a median of only two territories and a modal distance of one territory. Natal dispersal of females is affected by closely related males on the natal site but unaffected by closely related males or moderately related males that are off the natal site.
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Carpenter, Petra J. "A study of mating systems, inbreeding avoidance and TB resistance in the Eurasian badger (Meles meles) using microsatellite markers." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419637.

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Juola, Frans Aaron. "Mate Choice in a Sexually Dimorphic Marine Bird, the Great Frigatebird (Fregata minor)." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/500.

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Darwin's theory of sexual selection explains the existence of sexual dimorphism, or within-species sex differences in shape, color, size, and behavior. In some cases, sexually dimorphic traits, especially extravagant male ornaments, seem maladaptive and thus in opposition to natural selection. The crux of Darwin's theory was that sexual selection arises from individual differences in reproductive success that result from competition for mates. In this dissertation, I investigated several aspects of sexual selection and the evolution of female mating preferences and male ornaments in the great frigatebird (Fregata minor). Frigatebirds as a group (family Fregatidae) are the most ornamented of any seabirds, and are among the most ornamented of any animal group. Their most prominent ornament is a gular (throat) pouch which becomes red in males during the breeding season, and which is inflated and displayed to females during courtship. Male courtship display also includes a warble vocalization and extension and trembling of the wings. I investigated the following issues concerning sexual selection and ornamentation in great frigatebirds: 1) the source of ornamental coloration in male great frigatebird gular pouches. I determined that this was a carotenoid-based color display; 2) the relationship of male mating success to gular pouch size and coloration. I determined that mating success was not related to the size or color of this ornament; 3) the relationship between male vocal display traits and female preferences. Again, I found no relationship between vocal display traits and female preferences, and finally, 4) the role of a major histocompatibility complex (MHC) locus in female mate choice. The MHC is a highly polymorphic multi-gene family associated with immune defense and has been proposed to play a role in mate choice. I found a significant disassortative mating pattern amongst mated pairs compared to random pairings based on MHC genotypes. In summary, I found no evidence for female mating preferences based on visual or auditory display traits associated with male ornamentation. However, I did find evidence for female mating preferences based on genetic dissimilarity at an MHC locus.
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Løvlie, Hanne. "Pre- and post-copulatory sexual selection in the fowl, Gallus gallus." Doctoral thesis, Stockholm : Department of Zoology, Stockholm University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-6865.

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Books on the topic "Inbreeding avoidance"

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Incest And Inbreeding Avoidance: A Critique Of Darwinian Social Science (Mellen Studies in Sociology). Edwin Mellen Press, 2005.

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Book chapters on the topic "Inbreeding avoidance"

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Pusey, Anne. "Mechanisms of Inbreeding Avoidance in Nonhuman Primates." In Pedophilia, 201–20. New York, NY: Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4613-9682-6_8.

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"Inbreeding Avoidance." In Encyclopedia of Evolutionary Psychological Science, 4031. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_302393.

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"5. The dangers of inbreeding." In Incest Avoidance and the Incest Taboos, 11–14. Stanford University Press, 2020. http://dx.doi.org/10.1515/9780804791694-005.

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Dingle, Hugh, and Marcel Holyoak. "The Evolutionary Ecology of Movement." In Evolutionary Ecology. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195131543.003.0025.

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Organisms move, and their movement can take place by walking, swimming, or flying; via transport by another organism (phoresy); or by a vehicle such as wind or current (Dingle 1996). The functions of movement include finding food or mates, escaping from predators or deteriorating habitats, the avoidance of inbreeding, and the invasion and colonization of new areas. Virtually all life functions require at least some movement, so it is hardly surprising that organisms have evolved a number of structures, devices, and behaviors to facilitate it. The behavior of individuals while moving and the way this behavior is incorporated into life histories form one part of this chapter. This discussion focuses on the action of selection on the evolution of individual behavior, on how specific kinds of movement can be identified from the underlying behavior and physiology, and on the functions of the various movement behaviors. The other major part of our discussion focuses on the consequences of movement behaviors for the ecology and dynamics of populations. The pathways of the moving individuals within it can result in quite different outcomes for a population. First, movements may disperse the members of the population and increase the mean distances among them. The separation may be a result of paths more-or- less randomly chosen by organisms as they seek resources, or it may be a consequence of organisms avoiding one another. In contrast to dispersing them, movement may also bring individuals together either because they clump or congregate in the same habitat patch or because they actively aggregate through mutual attraction. Clumping can also lead to aggregation and mutually attracting social interactions. A classic example is the gregarious (aggregating) phase of the desert locust (Schistocerca gregaria), in which huge swarms of many millions of individuals first congregate in suitable habitats and then develop and retain cohesion based on mutual attraction. The foraging swarms make the locust a devastating agricultural pest over much of Africa and the Middle East (Farrow 1990; Dingle 1996). It is the aggregation of locusts that makes them such destructive pests; they would be far less harmful if the populations dispersed.
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