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human sexuality

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To ensure the survival of mankind reproduction is necessary. Homosexuality doesn't allow for reproduction. History goes on to forever show that heterosexuality is the dominant sexual orientation. A pyschobiologist would agree that homosexuality is similar to sterilization therefore; some cultures may condemn homosexuality. Whether a person agrees to disagree with the ideas of homosexuality; the same questions are always present-where did homosexuality originate from or are people born gay or is being gay sociologically influenced. In other words, what makes people gay? Robert Zunzig's article "Finding the Switch", examines the answers to these questions. According to Kunzig, history tried proving that homosexuality was a psychological problem caused by bad parental skills or being a parent who is too emotionally involved or not involved in a child's life at all. An example of this would be having an overassertive mother and an incompetent father or a controlling mother and a harsh father. The American Psychiatric Association agreed that homosexuality was a mental condition which could be cured. ...read more.


To confirm this idea, the researchers created separate family trees for both heterosexual males and homosexual males. The purpose this research was to determine the numbers of homosexual relatives are in each group's (homosexual and heterosexuals) family. The study concluded that homosexual males had more homosexual relatives on their mother's side of the family as oppose to their father's side of the family. In addition to this research, a European researcher completed a separate study and further concluded that homosexuals come from larger families than heterosexuals. The researcher, Camperio, whom suggested that homosexuality is a gene inheritance from mothers, questioned that fact that homosexuals come from larger families. With further research, he was able to conclude that there was something in the genes or chromosomes which create homosexuality in males that is also causing mothers to produce more children. After interviewing female family member of homosexual males, Camperio found that the female family members had fewer miscarriages and did not use as many contraceptives as oppose to female family member of heterosexual. ...read more.


The article indicates there were a few other arguments that try to explain homosexuality such as heredity and sibling environment. However, the author put in plain words that maybe there is something within the fetal development process which causes homosexuality. Researchers can not seem to identify what is occurring in the fetal development process which causes homosexuality. On the other hand, researchers suppose that the mother's immune system is forming antibodies against male proteins. As a result, each of the mothers's following pregnancy increase the number of these anti-male proteins (antibodies) which later affects the male fetus's brain, thus creating homosexuality. Considering all the research and hypothesis bought forth by different expertise, the author, Kunzig, agrees there is not a clear or precise clarification with evidence for homosexuality. Kunzig also agrees that there is not much of a relationship or association between the fetal development process and sexual selection and having more older brothers ("fraternal birth order effect"). He concludes by stating that there are many different possibilities which can explain the differentiations among sexual orientation but there is not any concrete proof that supports these educated guesses ...read more.

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