Is someone born gay

Bem theorizes that this psychological arousal will later be transformed into sexual arousal: Archived from the original on Although the exact function of the oSDN is not fully known, its volume, length, and cell number seem to correlate with sexual orientation, and a dimorphism in its volume and of cells could bias the processing cues involved in partner selection. Thus, this finding needs replication. In , Italian researchers conducted a study of about 4, people who were the relatives of 98 homosexual and heterosexual men. The biological theories reappraised".


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Are People Born Gay?

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The authors concluded that "our findings, taken in context with previous work, suggest that genetic variation in each of these regions contributes to development of the important psychological trait of male sexual orientation". Lesbian , gay , bisexual , and transgender LGBT topics. By way of analogy, the allele a particular version of a gene which causes sickle-cell anemia when two copies are present, also confers resistance to malaria with a lesser form of anemia when one copy is present this is called heterozygous advantage. European Journal of Epidemiology. Although consistent differences have been identified, including the size of the brain and of specific brain regions, male and female brains are very similar. However, it is not true.


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Personality and Social Psychology Bulletin. In addition to sex chromosomal contribution, a potential autosomal genetic contribution to the development of homosexual orientation has also been suggested. A later analysis by Hu et al. Another common myth about homosexuality says that science has proven that people are born gay. CS1 Croatian-language sources hr All articles with dead external links Articles with dead external links from May Articles with permanently dead external links All articles with unsourced statements Articles with unsourced statements from March All articles lacking reliable references Articles lacking reliable references from May


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