Causes of Homosexuality - Nature AND Nuture

551 Words2 Pages

Many people cannot understand why anyone would want to get involved in homosexual activity. There are many arguments about homosexuality whether is by nature or nurture. Before we make judgments on homosexuality, we need to identify the causes of homosexuality. Homosexuality is caused by genetic, biological and environmental factors.

The first possible cause of homosexuality is genetic factors. Homosexuality is a trait from birth (Buchanan, 2000). Studies found that identical twins share many common traits. A study found that identical twins normally share homosexual behavior if one of them is homosexual. This proved that genes are likely to cause homosexuality. In addition, according to (Santinover, 2002), homosexuality is a heritable behavior. Based on heritability studies, almost any human trait is heritable including the homosexual behavior. He stated that behavioral genes are found in specific chromosome. Thus, the behavior is obviously heritable. Moreover, Italian University of Padova (2004) believes that homosexual trait is passed from mother to male offspring by natural ...

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