psychology debate - Susan Wang Amy Pham Period 4...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Susan Wang Amy Pham Period 4 Homosexuality – Nature The topic of whether homosexuality is caused by nature or nurture is heatedly debated in society today. Although people would suspect that homosexuality is developed through the influence of the environment, we believe that nature has the bigger impact. Twin studies performed by Kallman illustrated a 100% concordance rate of homosexuality among monozygotic (identical) male twins and a 12% concordance rate among dizygotic twins. The identical twins were not only in full concordance in their aberrant sex patterns, but they are also extremely similar in their feminized appearances and behaviors. When it comes to sex drive, our hypothalamus has a direct relationship to it. Researchers like D.F. Swaab, Laura S. Allen, and Simon LeVay all found that a portion of the hypothalamus was structurally different than that in a heterosexual brain. The size and shape of our brain is proven to be determined biologically during our prenatal cerebral development and structural differentiation. Furthermore, according
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/04/2011 for the course PSYCHOLOGY 20 taught by Professor Sheng during the Summer '03 term at Hong Kong Shue Yan.

Page1 / 3

psychology debate - Susan Wang Amy Pham Period 4...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online