Ecology, sexual selection and speciation
... and maintenance of linkage disequilibrium between the two. While the concept of Ômagic traitsÕ has become fairly popular recently, it is not always appreciated that the consequences of direct selection or pleiotropy depend on the mechanism of non-random mating. In similarity-based mating, divergent ...
... and maintenance of linkage disequilibrium between the two. While the concept of Ômagic traitsÕ has become fairly popular recently, it is not always appreciated that the consequences of direct selection or pleiotropy depend on the mechanism of non-random mating. In similarity-based mating, divergent ...
Homosexual "Marriage"
... transmission of AIDS to boys via these molesters, to date we have found no activist attempt to expose or “out” these men. Finally, while 80% of Advocate respondents said they would give up sex for love, based on the self-report data there is a fundament difference between what love is for heterosexu ...
... transmission of AIDS to boys via these molesters, to date we have found no activist attempt to expose or “out” these men. Finally, while 80% of Advocate respondents said they would give up sex for love, based on the self-report data there is a fundament difference between what love is for heterosexu ...
Direct versus indirect sexual selection: genetic basis of colour, size
... males remain unclear. The ultraviolet (UV)/blue cap of this species is strongly sexually dichromatic (Hunt et al. 1998; Andersson et al. 1998), and its function as a sexual signal was confirmed by the findings that it was under mutual mate choice (Hunt et al. 1999) and that individuals assortatively ...
... males remain unclear. The ultraviolet (UV)/blue cap of this species is strongly sexually dichromatic (Hunt et al. 1998; Andersson et al. 1998), and its function as a sexual signal was confirmed by the findings that it was under mutual mate choice (Hunt et al. 1999) and that individuals assortatively ...
swan
... the beloved is irrelevant to the meaning of the Sonnets—at least of sonnets 1-126 (the ones usually thought to he addressed /30/to a man). "In view of the chaste character of the neoPlatonic love [Shakespeare] speaks of . . . I must maintain that, whatever the truth, my case would not be altered by ...
... the beloved is irrelevant to the meaning of the Sonnets—at least of sonnets 1-126 (the ones usually thought to he addressed /30/to a man). "In view of the chaste character of the neoPlatonic love [Shakespeare] speaks of . . . I must maintain that, whatever the truth, my case would not be altered by ...
A Content Analysis of Official Video Game Web Sites Tom Robinson
... masculinity, adapting their behavior and attitudes to cultural masculine norms.36 Some of these masculine standards in American society are independence, toughness, and sexual virility, among others.37 As men and boys are exposed to media depictions of masculinity, particularly sexually powerful and ...
... masculinity, adapting their behavior and attitudes to cultural masculine norms.36 Some of these masculine standards in American society are independence, toughness, and sexual virility, among others.37 As men and boys are exposed to media depictions of masculinity, particularly sexually powerful and ...
Sexual dysfunction in patients with schizophrenia
... Other atypical antipsychotics available at the time of the study were not included due to a more favorable prolactin profile. Results: The majority of patients (59% of females and 60% of males) reported impairment of sexual function. In postmenopausal females, risk of impaired sexual interest was inc ...
... Other atypical antipsychotics available at the time of the study were not included due to a more favorable prolactin profile. Results: The majority of patients (59% of females and 60% of males) reported impairment of sexual function. In postmenopausal females, risk of impaired sexual interest was inc ...
Sexual selection: endless forms or tangled bank?
... for resources and so on such that an organism lives long enough to engage in competition for mates). For instance, sexual selection is often talked of as being ‘balanced’ by natural selection, as in some models of exaggerated displays or ornaments (Andersson 1994). It probably would be more precise ...
... for resources and so on such that an organism lives long enough to engage in competition for mates). For instance, sexual selection is often talked of as being ‘balanced’ by natural selection, as in some models of exaggerated displays or ornaments (Andersson 1994). It probably would be more precise ...
Erotic Capital - Catherine Hakim
... to economic, cultural, and social capital. Erotic capital has six, or possibly seven, distinct elements, one of which has been characterized as ‘emotional labour’. Erotic capital is increasingly important in the sexualized culture of affluent modern societies. Erotic capital is not only a major asse ...
... to economic, cultural, and social capital. Erotic capital has six, or possibly seven, distinct elements, one of which has been characterized as ‘emotional labour’. Erotic capital is increasingly important in the sexualized culture of affluent modern societies. Erotic capital is not only a major asse ...
Genetics of postzygotic isolation and Haldane`s rule in
... closer look at the three theories that seek to explain Haldane’s rule shows that it can even be applied to species without chromosomal sex determination. Hence, Haldane’s rule can be interpreted as an intermediate step in speciation that is applicable to all sexually reproducing organisms. Haplodipl ...
... closer look at the three theories that seek to explain Haldane’s rule shows that it can even be applied to species without chromosomal sex determination. Hence, Haldane’s rule can be interpreted as an intermediate step in speciation that is applicable to all sexually reproducing organisms. Haplodipl ...
Sociological Perspectives - Social Science Computing Cooperative
... focuses on how psychological mechanisms (as opposed to physical or behavioral characteristics) became common through processes of sexual selection. An example of a thesis from evolutionary psychologists would be that men are sexually jealous because, in the ancestral environment, it was more likely ...
... focuses on how psychological mechanisms (as opposed to physical or behavioral characteristics) became common through processes of sexual selection. An example of a thesis from evolutionary psychologists would be that men are sexually jealous because, in the ancestral environment, it was more likely ...
- CURRENT ZOOLOGY
... mechanism underlying this variation. However, our knowledge of this potential association is based almost exclusively on comparative analyses. Experimental studies are needed to establish causality and bridge the gap between micro- and macroevolutionary mechanisms concerning the link between brain a ...
... mechanism underlying this variation. However, our knowledge of this potential association is based almost exclusively on comparative analyses. Experimental studies are needed to establish causality and bridge the gap between micro- and macroevolutionary mechanisms concerning the link between brain a ...
Aerial performance of stalk-eyed ¯ies that differ in eye span
... a given sex, usually males, experience a mating advantage through the mechanisms of female choice or male competition. Almost all recent theoretical models assume that elaborate male secondary sexual characteristics are costly to produce and to maintain (e.g., Grafen 1990a, b; Pomiankowski et al. 19 ...
... a given sex, usually males, experience a mating advantage through the mechanisms of female choice or male competition. Almost all recent theoretical models assume that elaborate male secondary sexual characteristics are costly to produce and to maintain (e.g., Grafen 1990a, b; Pomiankowski et al. 19 ...
Study Guide Exam 1 chs 1
... surveyed gay, lesbian, and heterosexual couples. 32. Researchers who conducted large-scale studies in France, Britain, and the United States in the early 1990s found that a. a vast majority of respondents were using condoms in their sexual activities. b. younger people were much better informed abou ...
... surveyed gay, lesbian, and heterosexual couples. 32. Researchers who conducted large-scale studies in France, Britain, and the United States in the early 1990s found that a. a vast majority of respondents were using condoms in their sexual activities. b. younger people were much better informed abou ...
Overheads: SPCH 8402 Fall 2000
... Final stage of any relationship - many do not go through this stage Marked by distance & disassociation Dialog characterized by 3 topics ...
... Final stage of any relationship - many do not go through this stage Marked by distance & disassociation Dialog characterized by 3 topics ...
THE VARIABILITY IS IN THE SEX CHROMOSOMES
... Since Darwin’s second most famous book (Darwin 1871), biologists have been captivated by describing and explaining differences between the sexes. In many species with separate male and female sexes, the composition of sex chromosomes within zygotes determines offspring sex (Bell 1982). One sex, the ...
... Since Darwin’s second most famous book (Darwin 1871), biologists have been captivated by describing and explaining differences between the sexes. In many species with separate male and female sexes, the composition of sex chromosomes within zygotes determines offspring sex (Bell 1982). One sex, the ...
Does tusker`s attacks on female elephants are indicating towards
... or not. Like many other mammals, fight among male elephants is a common phenomenon, which mainly occurs to mate. Generally these fights do occur, if two different bulls perform co-movements with the group having oestrous females, if a bull forms the part of group and some other bull found receptive ...
... or not. Like many other mammals, fight among male elephants is a common phenomenon, which mainly occurs to mate. Generally these fights do occur, if two different bulls perform co-movements with the group having oestrous females, if a bull forms the part of group and some other bull found receptive ...
Has Dating Become More Egalitarian? A 35 Year Review
... date” are called dating scripts or schemas (Ginsburg 1988). Like all scripts, dating scripts are cognitive representations that include information about the standard and desirable sequence of events and behaviors for a particular situation (Abelson 1981). These scripts are used to organize, interpr ...
... date” are called dating scripts or schemas (Ginsburg 1988). Like all scripts, dating scripts are cognitive representations that include information about the standard and desirable sequence of events and behaviors for a particular situation (Abelson 1981). These scripts are used to organize, interpr ...
The use of multiple cues in mate choice
... shaped by social interactions (McGraw & Hill, 2000). This difference in information content may be due to the fact that the nutrients required to maintain the two colours are different. Melanins are synthesised from amino acids that are basic dietary components and usually not a limiting resource (Fox ...
... shaped by social interactions (McGraw & Hill, 2000). This difference in information content may be due to the fact that the nutrients required to maintain the two colours are different. Melanins are synthesised from amino acids that are basic dietary components and usually not a limiting resource (Fox ...
Let’s Get Serious: Communicating Commitment in Romantic Relationships Please share
... perspective contends that women and men incur different potential costs and gain different potential benefits from confessing love. Across six studies testing current and former romantic relationships, we find that although people think that women are the first to confess love and feel happier when ...
... perspective contends that women and men incur different potential costs and gain different potential benefits from confessing love. Across six studies testing current and former romantic relationships, we find that although people think that women are the first to confess love and feel happier when ...
Chapter 03 - Extras Springer
... Differences in General Body Characteristics • Sex differences are age dependent: • Before puberty, boys and girls at the 50th percentile are approximately the same height and weight. • After puberty, men are approximately 14 cm taller and have 12 kg more mass than women. • General appearance (body ...
... Differences in General Body Characteristics • Sex differences are age dependent: • Before puberty, boys and girls at the 50th percentile are approximately the same height and weight. • After puberty, men are approximately 14 cm taller and have 12 kg more mass than women. • General appearance (body ...
are African elephants sexually segregated at the habitat scale?
... opportunities, in order to maximize growth and their reproductive potential, which is limited by competitive access to receptive mates (Clutton-Brock & Harvey, 1978; McElligott et al., 2001). In contrast, females invest disproportionately more energy and time into reproduction and the weaning of the ...
... opportunities, in order to maximize growth and their reproductive potential, which is limited by competitive access to receptive mates (Clutton-Brock & Harvey, 1978; McElligott et al., 2001). In contrast, females invest disproportionately more energy and time into reproduction and the weaning of the ...
Testing the mate-choice hypothesis of the female orgasm
... understood. Whereas the male orgasm is inherently linked to reproduction, the female orgasm is not linked to obvious reproductive or survival benefits. It also occurs less consistently during penetrative sex than does the male orgasm. Mate-choice hypotheses posit that the wide variation in female or ...
... understood. Whereas the male orgasm is inherently linked to reproduction, the female orgasm is not linked to obvious reproductive or survival benefits. It also occurs less consistently during penetrative sex than does the male orgasm. Mate-choice hypotheses posit that the wide variation in female or ...
Genomic conflicts and sexual antagonism in human health
... We focus on phenotypes mediated by peptide and steroid hormones (especially oxytocin and testosterone) because such hormones centrally mediate patterns of physical and behavioral resource allocation that underlie both forms of conflict. In early development, a suite of imprinted genes modulates the ...
... We focus on phenotypes mediated by peptide and steroid hormones (especially oxytocin and testosterone) because such hormones centrally mediate patterns of physical and behavioral resource allocation that underlie both forms of conflict. In early development, a suite of imprinted genes modulates the ...
Chapter Seven
... Men valued “good looks” in their partner Women valued “good financial prospect” in their partner Men preferred younger partners Women preferred older partners ...
... Men valued “good looks” in their partner Women valued “good financial prospect” in their partner Men preferred younger partners Women preferred older partners ...
Patterns of sexual dimorphism in Pan and Gorilla limb bones Tessa
... increases. Albrecht saw less overlap, but these graphs do not show any overlap to begin with but we see a greater gap between the sexes. Males and females are slightly closer in G. b. graueri than G. b. beringei, which is what Albrecht saw too. In Figure 1D, the population graphs show even more sepa ...
... increases. Albrecht saw less overlap, but these graphs do not show any overlap to begin with but we see a greater gap between the sexes. Males and females are slightly closer in G. b. graueri than G. b. beringei, which is what Albrecht saw too. In Figure 1D, the population graphs show even more sepa ...