Sex-role reversed
Oestradiol and prostaglandin F2 alpha regulate sexual displays in females of a sex-role reversed fish
... In sex-role reversed species, however, sexual behaviour in females has an anticipatory component, because females need to court males and be accepted by them before oviposition; just as in species ...
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Time spent close to a sexual partner as a measure of female mate preference in a sex-role-reversed population of the blenny Salaria pavo (Risso) (Pisces: Blenniidae)
... Although in sex-role-reversed species females are the less choosy sex, the active courtship behaviours displayed towards males (e.g. the pipefish Syngnathus typhle L., Berglund et al. 1986; ...
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Stronger sexual selection in warmer waters: the case of a sex role reversed pipefish.
... this sex-role reversed system complies with some of the most well known rules of ecotypic variation that scrutinize the geographical variation of characters that are conceivably under sexual ...
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Female mate choice and mate search tactics in a sex role reversed population of the peacock blenny Salaria pavo (Risso, 1810)
... Behavioural observations were carried out on a sex role reversed population of the blenny Salaria pavo to investigate possible mate choice behaviour of the females. Females mated with relatively ...
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Sexing a sex-role-reversed species based on plumage: potential challenges in the red phalarope
... a sex-role-reversed species (Alcock, ...a reversed sexual dichromatism usually associated with sex-role reversal (Heinsohn, Legge & Endler, ...
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Female reproductive tactics in a sex-role reversed pipefish: scanning for male quality and number
... of sex-role reversal, constitutes an exceptional model to study female allocation ...the sex role–reversed pipefish Syngnathus ...
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Reproductive migrations of the sex role reversed pipefish Nerophis lumbriciformis (Pisces; Syngnathidae)
... or less prolonged incubation period (Herald, 1959). The evolutionary radiation of this family was accompanied by a diversification of structures involved in parental care (Wilson et al., 2003) and various degrees of ...
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The role of male visual and chemical cues on the activation of female courtship behaviour in the sex-role reversed peacock blenny
... of sex-roles, observed in this population, with males being more choosy than females, may dilute the effect of female preference for males with larger crests, explaining the absence of correlation between male ...
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Reversing sex role reversal: compete only when you must
... the sex role-reversed pipefish ...male-biased sex ratio, the treatment where males actively competed for female access, it could be argued that ornament function in males is similar to that of ...
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Batch and Continuous Extraction of Bromelain Enzyme by Reversed Micelles
... by reversed micelles used. Reversed micelles are aggregates of surfactant molecules containing an inner core of water molecules, dispersed in a continuous organic solvent ...These reversed micelles ...
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Nucleosides Separation by Reversed-Phase, Single-column Chromatography with Recycle Lag
... by reversed-phase chromatography as a case study, it is demonstrated that the single-column chromatographic process can mimic the opera- tion of recent multicolumn capture and polish processes designed for the ...
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Possibilities and limitations of using temperature in reversed phase liquid chromatography.
... POSSIBILITIES AND LIMITATIONS OF USING TEMPERATURE IN REVERSED PHASE LIQUID CHROMATOGRAPHY. High-temperature liquid chromatography (HTLC) is a technique that presents a series of advantages in liquid phase ...
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Hypothalamic inflammation is reversed by endurance training in anorectic-cachectic rats
... pivotal role in the control of food intake, as its expres- sion is regulated especially by leptin; higher concentra- tions of leptin inhibit NPY action, reducing food intake and, when the opposite occurs ...
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Potential role of age, sex, body mass index and pain to identify patients with knee osteoarthritis
... A decision tree to estimate radiographic knee OA was constructed separately by sex using all variables that had shown to have a direct or indirect effect on path analyses. The radiographic score equal to 2 or more ...
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Sleep and sex sleep in adolescence : sex matters?
... that sex dif- ferences in sleep observed among adolescents are linked to a mere developmental gap (delay in puberty among boys), logistic regression models were carried out for 8th grade girls and 10th grade ...
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Novel sex cells and evidence for sex pheromones in diatoms.
... Another stramenopile alga, the chrysophyte Dinobryon cylindricum, may secrete sex pheromones from female vegetative cells [33], but reciprocal stimulation is unknown. Among the oomycetes, which are a group of ...
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SEX PREFERENCES IN BRAZIL
... Due to the masculinization of the agricultural work, as has been described by Abramovay and Camarano (1998), modernization and urbanization changed the possibilities presented to the children and they started to emigrate ...
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Sex-Specific Selection and Sex-Biased Gene Expression in Humans and Flies.
... between sex-specific selection and sex-biased expression comes from a laboratory study of Drosophila ...of sex-specific selection in which an allele that increases fitness in one sex decreases ...
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Male sex workers in Córdoba, Argentina: sociodemographic characteristics and sex work experiences
... different sex work modalities. For the independent male sex workers (IMSWs), a list of potential participants was compiled by review- ing the local media where male sex workers ...male sex ...
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Sex-specific embryonic gene expression in species with newly evolved sex chromosomes.
... Could the differences we observe in onset of zygotic transcrip- tion between D. pseudoobscura and D. miranda affect subsequent analyses? To address this, we first asked whether the same morphological stage in both ...
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