Sex and Mating
Shared Forces of Sex Chromosome Evolution in Haploid-Mating and Diploid-Mating Organisms
... to sex chromosome evolution in diploids are the suppression of meiotic recombination and the asymmetry that results from one chromosome (the Y) being permanently heterozygous and the other (the X) being homozygous ...
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A male sex pheromone in a parasitic wasp and control of the behavioral response by the female's mating status
... female sex pheromones have been reported in ...male sex pheromone, attracting ...the mating status of females influences their responsiveness to the male ...
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Switching attraction to inhibition: mating induced reversed role of sex pheromone in an insect
... the mating observations (inversed 16h:8h light:dark photoperiod, 22±1°C) (Barrozo et ...the mating room and wind tunnel room were under inversed light regimes and separated by a dark ...and mating ...
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Quantitative trait locus analysis of mating behavior and male sex pheromones in Nasonia wasps
... the mating process is the long-range male sex pheromone component (4R,5S)-5-hydroxy-4-decanolide (RS-HDL), which is used to attract females from a distance (Ruther et ...the mating process, such as ...
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Young male mating success is associated with sperm number but not with male sex pheromone titres
... a mating compared with unsuccessful males were characterized by higher MSP titres [20, 21, ...from mating with males producing more sex pheromones, ...and sex pheromone production: males in a ...
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Temperature, age of mating and starvation determine the role of maternal effects on sex allocation in the mealybug Planococcus citri
... their sex allocation depending on local conditions (aspects of population ...though. Sex chromosomes in mealybugs are absent, and it seems unlikely that autosomal genetic factors determine ...in sex ...
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Quantitative Trait Locus Analysis of Mating Behavior and Male Sex Pheromones in Nasonia Wasps.
... the mating process is the long-range male sex pheromone component (4R,5S)-5-hydroxy-4-decanolide (RS-HDL), which is used to attract females from a distance (Ruther et ...the mating process, such as ...
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Beyond sex allocation : the role of mating systems in sexual selection in parasitoid wasps
... one sex compete for mates, then that competition is costly for the mother, and so natural selection should favour mothers that over-produce the non-competing sex (Hamilton, ...of sex ratio selection ...
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Function of Cryptococcus neoformans KAR7 (SEC66) in Karyogamy during Unisexual and Opposite-Sex Mating
... the mating process, including nuclear fusion to form the diploid, entry into meiosis, and production of sexual spore progeny in ...unisexual mating in C. neoformans. Same-sex mating under ...
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Biosynthetic activity of corpora allata, growth of sex accessory glands and mating in the male moth agrotis ipsilon (Hufnagel)
... and mating occur only when the female sexual pheromone is detected by the antennae and the information is subsequently integrated in the central nervous system (for a review, see Hansson, ...During mating, ...
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THE EFFECT OF MATING STATUS, SEX AND GENOTYPE ON LONGEVITY IN DROSOPHILA MELANOGASTER
... An analysis was made of longevity including the effects of mating status, sex, heterosis, iso- genic lines, general and specific combining ability, maternal ability, residual[r] ...
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Evolutionary erosion of yeast sex chromosomes by mating type switching accidents
... We hypothesize that the evolutionary deletions, gene truncations, and transpositions beside the MAT locus were made during recovery from occasional accidents that occurred during mating-type switching. DNA ...
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Codling moth sex pheromone components and related compounds : an evaluation of their potential as mating disruptants
... Rubber tubing has been tested extensively in Switzerland. Mani (personal communication, 1986) conducted disruption trials in 22 commercial apple orchards in eastern Switzerland between 1979-85. In trials over three years ...
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SEX-LIMITED EXPRESSION OF GENE LOCI CONTROLLING FLAGELLAR MEMBRANE AGGLUTINATION IN THE CHLAMYDOMONAS MATING REACTION
... Two general models can account for these observations: (1 ) All genes concerned with mating- type-specific traits may be tightly linked in either the mt+ or the mt- locus, with[r] ...
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VIRILITY DEFICIENCY AND THE SEX-RATIO TRAIT IN DROSOPHILA PSEUDOOBSCURA. II. MULTIPLE MATING AND OVERALL VIRILITY SELECTION
... This negative correlation, reflected in the geographical, temporal and altitudinal distribution of SR (DOBZHANSKY 1944; EPLING, MITCHELL and MATTONI 1957; BALDWIN 197[r] ...
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Mating-Type Locus of Cryptococcus neoformans: a Step in the Evolution of Sex Chromosomes
... The mating-type-determining region of ...the mating-type locus of the green alga Chlamy- domonas ...the mating-type locus is located in a region of ⬃830 kb in which recombination is suppressed ...the ...
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Gender expression and group size: a test in a hermaphroditic and a gonochoric congeneric species of Ophryotrocha (Polychaeta)
... species-specific sex pheromones are known from few species (Andries, ...change sex (Hartmann and Huth, 1936)] is induced by a lipidic pheromone (Marchionni and Rolando, ...their sex allocation to the ...
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A reply to Nieberding and Holveck: beyond experimental design and proximate mechanisms - mate choice in the face of sexual conflict
... male mating suc- cess, though, the more intriguing question to our mind is why females should ultimately prefer males expressing some specific secondary sexual trait, ...male sex pheromones may function as ...
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Mating induced transient inhibition of responses to sex pheromone in a male moth is not mediated by octopamine or serotonin
... observed mating-induced changes of the olfactory ...the sex pheromone-guided behaviour, were partially restored after amine treatment in newly mated ...following mating might result from modulation ...
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Effects of diets supplemented by fish oil on sex ratio of pups in bitch
... to mating could increase the proportion of male ...on sex ratio of offspring in ...secondary sex ratio of ...on sex ratio could help identify the mechanisms underlying sex ratio ...
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