Homosexual and evolution

And so epi-marks to these different genes will have different influences on those traits. Do these findings have any meaning outside of Samoa? In some traditional societies, various forms of non-exclusive homosexuality were common. He believes there is a simple explanation for this. Homosexuality presents a paradox for evolutionists who explore the adaptedness of human behavior. Savolainen has outlined some leading models.
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Why doesn’t homosexuality become extinct?

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The evolutionary paradox of homosexuality

Nevertheless, the researchers used the results to address the question of why homosexuality is relatively common. I think this could be easily proven with statistics about the amount of gay people in cities vs rural areas. The median between your numbers and the wiki numbers is still an overwhelming minority for bisexuals, which is certainly not 'physiologically most' as you stated. There are many theories about why homosexuality is important for reproduction and evolution. However, it is important to distinguish acts of homosexuality from the innate preferences of individuals. The evolutionary advantage of homosexuality:
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Scientists explore the evolution of animal homosexuality

It is a simple calculation: Juanita Bawagan School of Professional Development. Your email address will not be published. Nonhuman primates, including the apes, use homosexual behavior in same-sex alliances, and such alliances appear to have been key in the expanded distribution of human ancestors during the Pleistocene. Instead, height is determined by changes across hundreds of genes in combination with environmental factors. If given access to hormone replacement therapy and modern surgical techniques, I wonder how many fa'afafine would transition to female?
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Ansvarlig for denne siden webmaster nhm. His previous research examined how body-to-limb ratio makes men more attractive. Yet, it could also be about that cities are more liberal and the moral codes more loose You're automatically concluding that gaydom is immoral. Allowing blacks to attend University with whites was deviant in the 50's. One possible explanation is what evolutionary psychologists call the "kin selection hypothesis. But what's this got to do with gaydom? Sex is needed for survival, the organism's brain is primed for it, a few parameters go off a bit and you have attraction to the same sex.
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