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Journal articles on the topic 'Sex allocation'

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Published: 4 June 2021
Last updated: 10 March 2023

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1

Proulx, Stephen R. "Sex Allocation." Animal Behaviour 80, no. 3 (September 2010): 589–90. http://dx.doi.org/10.1016/j.anbehav.2010.05.019.

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2

Policansky, David. "Evolution, Sex, and Sex Allocation." BioScience 37, no. 7 (July 1987): 466–68. http://dx.doi.org/10.2307/1310417.

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3

Bourke, A. F. G. "Hymenopteran sex allocation." Trends in Ecology & Evolution 12, no. 12 (December 1997): 488–89. http://dx.doi.org/10.1016/s0169-5347(97)84406-0.

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4

Petersen, Christopher W. "Sex Allocation in Hermaphroditic Sea Basses." American Naturalist 138, no. 3 (September 1991): 650–67. http://dx.doi.org/10.1086/285240.

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5

Warner, D. A. "Sex Allocation. Stuart West." Integrative and Comparative Biology 50, no. 3 (May 7, 2010): 476–77. http://dx.doi.org/10.1093/icb/icq043.

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6

Leigh, E. G., E. A. Herre, and E. A. Fischer. "Sex allocation in animals." Experientia 41, no. 10 (October 1985): 1265–76. http://dx.doi.org/10.1007/bf01952069.

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7

Wapstra, E., and D. A. Warner. "Sex Allocation and Sex Determination in Squamate Reptiles." Sexual Development 4, no. 1-2 (2010): 110–18. http://dx.doi.org/10.1159/000272459.

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8

Martin, Kerry C., and Jay Hewitt. "Sex Differences in Reward Allocation." Perceptual and Motor Skills 67, no. 3 (December 1988): 981–82. http://dx.doi.org/10.2466/pms.1988.67.3.981.

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Men and women were presented descriptions of two dyadic work groups. In both groups, one member of the dyad did approximately two-thirds of the work. For one of the groups, subjects were asked to imagine that they were the worker of high productivity while for the other group subjects were asked to imagine that they were impartial observers. Subjects were asked to divide the rewards among the two workers for both groups. Men and women did not differ in allocation of reward when acting as impartial observers. When subjects imagined themselves as the worker of high productivity, men gave themselves a greater share of the reward than did women. It was concluded that the results were consistent with the self-interest explanation of sex differences in allocation of reward.
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9

Wild, Geoff, and Stuart A. West. "Genomic Imprinting and Sex Allocation." American Naturalist 173, no. 1 (January 2009): E1—E14. http://dx.doi.org/10.1086/593305.

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10

Fenster, C. B., and D. E. Carr. "Genetics of sex allocation in." Journal of Evolutionary Biology 10, no. 4 (1997): 641. http://dx.doi.org/10.1007/s000360050046.

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11

Chapman, Tracey. "Sexual conflict and sex allocation." Biology Letters 5, no. 5 (August 19, 2009): 660–62. http://dx.doi.org/10.1098/rsbl.2009.0599.

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12

Chapman, Tracey. "Sexual conflict and sex allocation." Biology Letters 6, no. 3 (February 17, 2010): 430. http://dx.doi.org/10.1098/rsbl.2010.0102.

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13

Brunet, Johanne. "Sex allocation in hermaphroditic plants." Trends in Ecology & Evolution 7, no. 3 (March 1992): 79–84. http://dx.doi.org/10.1016/0169-5347(92)90245-7.

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14

Whitehorn, Penelope R., Nicola Cook, Charlotte V. Blackburn, Sophie M. Gill, Jade Green, and David M. Shuker. "Sex allocation theory reveals a hidden cost of neonicotinoid exposure in a parasitoid wasp." Proceedings of the Royal Society B: Biological Sciences 282, no. 1807 (May 22, 2015): 20150389. http://dx.doi.org/10.1098/rspb.2015.0389.

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Sex allocation theory has proved to be one the most successful theories in evolutionary ecology. However, its role in more applied aspects of ecology has been limited. Here we show how sex allocation theory helps uncover an otherwise hidden cost of neonicotinoid exposure in the parasitoid wasp Nasonia vitripennis . Female N. vitripennis allocate the sex of their offspring in line with Local Mate Competition (LMC) theory. Neonicotinoids are an economically important class of insecticides, but their deployment remains controversial, with evidence linking them to the decline of beneficial species. We demonstrate for the first time to our knowledge, that neonicotinoids disrupt the crucial reproductive behaviour of facultative sex allocation at sub-lethal, field-relevant doses in N. vitripennis . The quantitative predictions we can make from LMC theory show that females exposed to neonicotinoids are less able to allocate sex optimally and that this failure imposes a significant fitness cost. Our work highlights that understanding the ecological consequences of neonicotinoid deployment requires not just measures of mortality or even fecundity reduction among non-target species, but also measures that capture broader fitness costs, in this case offspring sex allocation. Our work also highlights new avenues for exploring how females obtain information when allocating sex under LMC.
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15

Vedder, Oscar, Sandra Bouwhuis, María M. Benito, and Peter H. Becker. "Male-biased sex allocation in ageing parents; a longitudinal study in a long-lived seabird." Biology Letters 12, no. 8 (August 2016): 20160260. http://dx.doi.org/10.1098/rsbl.2016.0260.

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Optimal sex allocation is frequency-dependent, but senescence may cause behaviour at old age to be suboptimal. We investigated whether sex allocation changes with parental age, using 16 years of data comprising more than 2500 molecularly sexed offspring of more than 600 known-age parents in common terns ( Sterna hirundo ), slightly sexually size-dimorphic seabirds. We decomposed parental age effects into within-individual change and sex allocation-associated selective (dis)appearance. Individual parents did not differ consistently in sex allocation, but offspring sex ratios at fledging changed from female- to male-biased as parents aged. Sex ratios at hatching were not related to parental age, suggesting sons to outperform daughters after hatching in broods of old parents. Our results call for the integration of sex allocation theory with theory on ageing and demography, as a change in sex allocation with age per se will cause the age structure of a population to affect the frequency-dependent benefits and the age-specific strength of selection on sex allocation.
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16

Ostner, Julia, Carola Borries, Oliver Schulke, and Andreas Koenig. "Sex Allocation in a Colobine Monkey." Ethology 111, no. 10 (October 2005): 924–39. http://dx.doi.org/10.1111/j.1439-0310.2005.01102.x.

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17

Innes, David J., and Robert L. Dunbrack. "Sex allocation variation in Daphnia pulex." Journal of Evolutionary Biology 6, no. 4 (July 1993): 559–75. http://dx.doi.org/10.1046/j.1420-9101.1993.6040559.x.

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18

Sheldon, Ben C. "Sex allocation: At the females' whim." Current Biology 9, no. 13 (July 1999): R487—R489. http://dx.doi.org/10.1016/s0960-9822(99)80303-0.

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19

Sakai, Satoki. "Biased Sex Allocation in Hermaphroditic Plants." Journal of Plant Research 113, no. 3 (September 2000): 335–42. http://dx.doi.org/10.1007/pl00013937.

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20

Alpedrinha, João, and Sara Magalhães. "Sex Allocation: L’Enfer C’est les Autres?" Current Biology 26, no. 11 (June 2016): R476—R478. http://dx.doi.org/10.1016/j.cub.2016.04.034.

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21

Crowley, Philip H., William Harris, and Evelyn Korn. "Optimal sex allocation under pollen limitation." Theoretical Ecology 10, no. 4 (June 16, 2017): 417–31. http://dx.doi.org/10.1007/s12080-017-0339-y.

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22

Heinsohn, Robert, Sarah Legge, and Simon Barry. "Extreme bias in sex allocation inEclectusparrots." Proceedings of the Royal Society of London. Series B: Biological Sciences 264, no. 1386 (September 22, 1997): 1325–29. http://dx.doi.org/10.1098/rspb.1997.0183.

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23

Robertson, Bruce C., Graeme P. Elliott, Daryl K. Eason, Mick N. Clout, and Neil J. Gemmell. "Sex allocation theory aids species conservation." Biology Letters 2, no. 2 (January 10, 2006): 229–31. http://dx.doi.org/10.1098/rsbl.2005.0430.

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Supplementary feeding is often a key tool in the intensive management of captive and threatened species. Although it can increase such parameters as breeding frequency and individual survival, supplementary feeding may produce undesirable side effects that increase overall extinction risk. Recent attempts to increase breeding frequency and success in the kakapo Strigops habroptilus using supplementary feeding inadvertently resulted in highly male-biased chick sex ratios. Here, we describe how the inclusion of sex allocation theory has remedied this conservation dilemma. Our study is the first to manipulate chick sex ratios in an endangered species by altering maternal condition and highlights the importance of incorporating evolutionary theory into modern conservation practice.
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24

Anderson, Judith L., and Charles B. Crawford. "Trivers-willard rules for sex allocation." Human Nature 4, no. 2 (June 1993): 137–74. http://dx.doi.org/10.1007/bf02734114.

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25

Frank, Steven A. "Individual and population sex allocation patterns." Theoretical Population Biology 31, no. 1 (February 1987): 47–74. http://dx.doi.org/10.1016/0040-5809(87)90022-0.

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26

Charnov, Eric L. "Hermaphroditic sex allocation with overlapping generations." Theoretical Population Biology 34, no. 1 (August 1988): 38–46. http://dx.doi.org/10.1016/0040-5809(88)90034-2.

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27

Cockburn, A. "Sex-Ratio Variation in Marsupials." Australian Journal of Zoology 37, no. 3 (1989): 467. http://dx.doi.org/10.1071/zo9890467.

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Many marsupials produce sex ratios biased towards male or female young. In several cases these changes are comfortably accommodated in the existing theory of sex allocation. Local resource competition and the Trivers-Willard hypothesis have been usefully applied to several data sets, and preliminary experimental work has supported the main tenets of theory. By contrast, several data sets lack explanation, and provide challenges to theoreticians. The high frequency of bias in marsupials does not result from data-dredging, as bias is usually reported in descriptive accounts of marsupial reproduction, without recourse to any theoretical or mechanistic explanations. It is not possible to distinguish whether the marsupial mode of reproduction is well suited to manipulate sex allocation, or whether it facilitates measurement of biased sex allocation. As for most eutherians and birds, the mechanism of prenatal sex allocation is unknown for any marsupial. However, the current interest in sex-determining mechanisms in marsupials suggests a profitable avenue for collaboration between geneticists, physiologists and evolutionary ecologists.
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28

Komdeur, J., and I. Pen. "Adaptive sex allocation in birds: the complexities of linking theory and practice." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 357, no. 1419 (March 29, 2002): 373–80. http://dx.doi.org/10.1098/rstb.2001.0927.

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We review some recent theoretical and empirical developments in the study of sex allocation in birds. The advent of reliable molecular sexing techniques has led to a sharp increase in the number of studies that report biased offspring sex ratios in birds. However, compelling evidence for adaptive sex allocation in birds is still very scant. We argue that there are two reasons for this: (i) standard sex allocation models, very helpful in understanding sex allocation of invertebrates, do not sufficiently take the complexities of bird life histories and physiology into account. Recent theoretical work might bring us a step closer to more realistic models; (ii) experimental field and laboratory studies on sex allocation in birds are scarce. Recent experimental work both in the laboratory and in the field shows that this is a promising approach.
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29

Schärer, Lukas, and Ido Pen. "Sex allocation and investment into pre- and post-copulatory traits in simultaneous hermaphrodites: the role of polyandry and local sperm competition." Philosophical Transactions of the Royal Society B: Biological Sciences 368, no. 1613 (March 5, 2013): 20120052. http://dx.doi.org/10.1098/rstb.2012.0052.

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Sex allocation theory predicts the optimal allocation to male and female reproduction in sexual organisms. In animals, most work on sex allocation has focused on species with separate sexes and our understanding of simultaneous hermaphrodites is patchier. Recent theory predicts that sex allocation in simultaneous hermaphrodites should strongly be affected by post-copulatory sexual selection, while the role of pre-copulatory sexual selection is much less clear. Here, we review sex allocation and sexual selection theory for simultaneous hermaphrodites, and identify several strong and potentially unwarranted assumptions. We then present a model that treats allocation to sexually selected traits as components of sex allocation and explore patterns of allocation when some of these assumptions are relaxed. For example, when investment into a male sexually selected trait leads to skews in sperm competition, causing local sperm competition, this is expected to lead to a reduced allocation to sperm production. We conclude that understanding the evolution of sex allocation in simultaneous hermaphrodites requires detailed knowledge of the different sexual selection processes and their relative importance. However, little is currently known quantitatively about sexual selection in simultaneous hermaphrodites, about what the underlying traits are, and about what drives and constrains their evolution. Future work should therefore aim at quantifying sexual selection and identifying the underlying traits along the pre- to post-copulatory axis.
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30

Edwards, A. M., E. Z. Cameron, J. C. Pereira, and M. A. Ferguson-Smith. "Paternal sex allocation: how variable is the sperm sex ratio?" Journal of Zoology 299, no. 1 (January 5, 2016): 37–41. http://dx.doi.org/10.1111/jzo.12317.

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31

Zhang, D. Y., and X. H. Jiang. "Size-dependent resource allocation and sex allocation in herbaceous perennial plants." Journal of Evolutionary Biology 15, no. 1 (January 2002): 74–83. http://dx.doi.org/10.1046/j.1420-9101.2002.00369.x.

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32

Warner, Daniel A., and Richard Shine. "Reproducing lizards modify sex allocation in response to operational sex ratios." Biology Letters 3, no. 1 (December 19, 2006): 47–50. http://dx.doi.org/10.1098/rsbl.2006.0579.

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Sex-allocation theory suggests that selection may favour maternal skewing of offspring sex ratios if the fitness return from producing a son differs from that for producing a daughter. The operational sex ratio (OSR) may provide information about this potential fitness differential. Previous studies have reached conflicting conclusions about whether or not OSR influences sex allocation in viviparous lizards. Our experimental trials with oviparous lizards ( Amphibolurus muricatus ) showed that OSR influenced offspring sex ratios, but in a direction opposite to that predicted by theory: females kept in male-biased enclosures overproduced sons rather than daughters (i.e. overproduced the more abundant sex). This response may enhance fitness if local OSRs predict survival probabilities of offspring of each sex, rather than the intensity of sexual competition.
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33

Brunet, Johanne, and Deborah Charlesworth. "Floral Sex Allocation in Sequentially Blooming Plants." Evolution 49, no. 1 (February 1995): 70. http://dx.doi.org/10.2307/2410293.

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34

Howe, Henry F. "Seasonal sex allocation by Common Grackles? Comment." Ecology 91, no. 11 (November 2010): 3421–24. http://dx.doi.org/10.1890/09-2275.1.

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35

Maddox, J. Dylan, and Patrick J. Weatherhead. "Seasonal sex allocation by Common Grackles? Reply." Ecology 91, no. 11 (November 2010): 3424–26. http://dx.doi.org/10.1890/10-0768.1.

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36

Trouve, Sandrine, Joseph Jourdane, Francois Renaud, Patrick Durand, and Serge Morand. "Adaptive Sex Allocation in a Simultaneous Hermaphrodite." Evolution 53, no. 5 (October 1999): 1599. http://dx.doi.org/10.2307/2640905.

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37

Petersen, Kurt B., and Martin Burd. "The enigma of sex allocation in Selaginella." Annals of Botany 121, no. 2 (December 29, 2017): 377–83. http://dx.doi.org/10.1093/aob/mcx163.

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38

Fenster, C. B., and D. E. Carr. "Genetics of sex allocation in Mimulus (Scrophulariaceae)." Journal of Evolutionary Biology 10, no. 4 (July 1997): 641–61. http://dx.doi.org/10.1046/j.1420-9101.1997.10040641.x.

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39

Legge, S. "Complex sex allocation in the laughing kookaburra." Behavioral Ecology 12, no. 5 (September 1, 2001): 524–33. http://dx.doi.org/10.1093/beheco/12.5.524.

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40

Nonacs, Peter. "Ant Reproductive Strategies and Sex Allocation Theory." Quarterly Review of Biology 61, no. 1 (March 1986): 1–21. http://dx.doi.org/10.1086/414723.

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41

Frank, Steven A. "Sex Allocation in Solitary Bees and Wasps." American Naturalist 146, no. 2 (August 1995): 316–23. http://dx.doi.org/10.1086/285802.

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42

Taylor, Peter D. "A general mathematical model for sex allocation." Journal of Theoretical Biology 112, no. 4 (February 1985): 799–818. http://dx.doi.org/10.1016/s0022-5193(85)80062-x.

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43

Frank, Steven A. "Sex Allocation Theory for Birds and Mammals." Annual Review of Ecology and Systematics 21, no. 1 (November 1990): 13–55. http://dx.doi.org/10.1146/annurev.es.21.110190.000305.

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44

Brunet, Johanne, and Deborah Charlesworth. "FLORAL SEX ALLOCATION IN SEQUENTIALLY BLOOMING PLANTS." Evolution 49, no. 1 (February 1995): 70–79. http://dx.doi.org/10.1111/j.1558-5646.1995.tb05959.x.

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45

Trouvé, Sandrine, Joseph Jourdane, François Renaud, Patrick Durand, and Serge Morand. "ADAPTIVE SEX ALLOCATION IN A SIMULTANEOUS HERMAPHRODITE." Evolution 53, no. 5 (October 1999): 1599–604. http://dx.doi.org/10.1111/j.1558-5646.1999.tb05423.x.

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46

Locke, Jayme E., Brittany A. Shelton, Kim M. Olthoff, Elizabeth A. Pomfret, Kimberly A. Forde, Deirdre Sawinski, Meagan Gray, and Nancy L. Ascher. "Quantifying Sex-Based Disparities in Liver Allocation." JAMA Surgery 155, no. 7 (July 15, 2020): e201129. http://dx.doi.org/10.1001/jamasurg.2020.1129.

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47

Delph, Lynda F. "Sex Allocation: Evolution to and from Dioecy." Current Biology 19, no. 6 (March 2009): R249—R251. http://dx.doi.org/10.1016/j.cub.2009.01.048.

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48

Pannell, John. "Variation in Sex Ratios and Sex Allocation in Androdioecious Mercurialis Annua." Journal of Ecology 85, no. 1 (February 1997): 57. http://dx.doi.org/10.2307/2960627.

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49

Hasegawa, Eisuke. "SEX ALLOCATION IN THE ANTCOLOBOPSIS NIPPONICUS(WHEELER). I. POPULATION SEX RATIO." Evolution 48, no. 4 (August 1994): 1121–29. http://dx.doi.org/10.1111/j.1558-5646.1994.tb05299.x.

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50

Spelt, Anouk, and Lorien Pichegru. "Sex allocation and sex-specific parental investment in an endangered seabird." Ibis 159, no. 2 (February 8, 2017): 272–84. http://dx.doi.org/10.1111/ibi.12457.

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