sexual desires
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Sexual selection is a component of natural selection in which mating success is traded for survival. Natural selection is not necessarily survival of the fittest, but reproduction of the fittest. Sexual dimorphism is a product of sexual selection. In intersexual selection, a sex chooses a mate. In intrasexual selection, individuals of one sex compete among themselves for access to mates. Often honest, costly signals are used to help the se...more
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In the undisputed Pauline epistles, marriage is seen as a way to extirpate sexual desire - neither as a means for procreation nor as the preferred social status. The Pastoral Epistles, written to instruct in the pastoring of churches and appointing of church offices, presents quite un-Pauline attitudes. In the Pastoral Epistles, the church, rather than an ecclesia, becomes a household, a specifically patriarchal structure in which men hold...more
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Mutations are the origin of genetic diversity. Mutations introduce new traits, while selection eliminates most of the reproductively unsuccessful traits. Sexual recombination of alleles can also account for much of the genetic diversity in sexual species. In some instances, population size can affect diversity and rates of evolution and fixation, but in other cases population size does not matter.
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Victorian' came in the twentieth century to stand for sexual repression and social convention. Personal life was governed by complex and rigid rules of behaviour. Like other aspects of Victorian culture this began to break down in the fin-de-siécle. Yet recent research, discussed in this lecture, has undermined this rather simplistic picture and begun to explore some of the contradictions and complexities of Victorian attitudes to marri...more
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Mitosis, meiosis and sexual reproduction. Understanding gametes, zygotes, and haploid / diploid numbers.
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Such is the gloom that surrounds settling down today and the glamour that attaches to mature bachelor freedom, it is hard to imagine that there was a time when marriage represented the summit of a young man's hopes. Forty years after the sexual liberalization of the 1970s, it is easy to forget that only marriage promised true sexual fulfillment for Christians, turning furtive or frustrated boys into fully-realized men. Marriage was t...more
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How hormones, phermones and bonding chemicals connect with the experiences of sexual arousal and romantic love. To what extent are we victims of our brain chemistry and neural processes? What are the evolutionary origins and adaptive values of "falling in love"?
