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How Does One Person Progress To Either Heterosexuality?

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SXS400
Dec 7th, 2009

SXS 400 Essay

If sexual orientation is something that we can’t change or choose, then how are these specific preferences such as heterosexuality and homosexuality created? How does one person progress to either heterosexuality or homosexuality? Studies showed that there were genetic factors linked to influencing sexual orientation in males before they were born by increasing the female reproductive capacity in mothers during multiple births. (Iemmole, Ciani, 2008: 393) Though that doesn’t mean that there technically is a “gay gene” that has been discovered, just that several human genome studies has suggested promising areas of research that are pointing to that direction. (Iemmole, Ciani, 2008: 393) With more …show more content…

While other younger people can change their accents because they might be possibly exposed to more diverse cultures or live abroad where their mother tongue is a secondary language, Roughgarden compares that with sexuality saying that some people can sway into heterosexuality or homosexuality and can be open when it comes to their orientations. (Roughgarden, 2009, 257)
If sexuality is developed at an early stage in a person’s life, then how does homosexuality occur? Homosexuality in Darwin’s selection theory doesn’t even exist. (Roughgarden, 2009, 127) Some say that it’s based on the person’s surrounding environment and influences while others say that it’s purely genetic. There has been substantial evidence that points to both genetic and environmental factors in developing homosexuality, but no one factor that clearly pushes over the top to define the origins of homosexuality. Statistically if a male is straight then there is a 4% percent chance that his brother might be gay, but if the male himself is gay, then the percentage jumps to 22%. (Roughgarden 2009: 247) These statistics simply show that gay males tend to group in families, it doesn’t necessarily point out anything specific about the environment’s effects or the male’s genetic makeup. (Roughgarden, 2009, 247)
Another study that was conducted almost 20 years ago mentioned that an adopted brother of a gay male is twice as likely to become gay later on compared to a adopted

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