And we all know that kids repeat for parents. A variety of environmental causes were given by participants. Also, the authors of the study acknowledge that a large number of sexual partners may not lead to greater reproductive success, specifically noting there is an "absence of evidence relating the number of sexual partners and actual reproductive success, either in the present or in our evolutionary past". Sexual orientations Asexual Bisexual Heterosexual Homosexual. This page was last edited on 2 Decemberat
Many respondents believed that genes are partly the cause of homosexuality, yet they expressed a variety of opinions regarding the degree of the genetic influence.
Biology and sexual orientation
Not to mention that our rights are being threatened because of those ignorant assumptions. The researchers found another gene, named "thyroid stimulating hormone receptor" TSHR on chromosome 14 which dna sequence is different also for gay men. Thirty-two responses by participants indicated a belief that homosexuality is at least partly a matter of choice. Researchers have suggested that this possibility could be further explored by studying young subjects to see if similar responses in the hypothalamus are found and then correlating these data with adult sexual orientation. University of California Press. In response to this need for further study, we present in this paper qualitative data addressing the following two main issues: We also thank the participants in this study who so generously gave us their opinions about genetic issues.