Simon LeVay, a neuroscientist who studied brain functions and sexual orientation (Wikipedia contributors, 2014), published an article, “A Difference in Hypothalamic Structure Between Heterosexual and Homosexual Men,” in 1991, that suggested a biological reasoning to sexual orientation. The hypothalamus, which is a region of the brain that is involved in sexual behaviors, was assumed, by LeVay, to be a biological substrate for sexual orientation (1991). LeVay suggested that the anterior hypothalamus “participates in the regulation of male-typical sexual behavior” (1991). LeVay’s research indicated that there is a difference in volume of the third interstitial nucleus of the anterior hypothalamus (INAH 3) between women, homosexual men and heterosexual men. INAH 3 was found to be twice as large in volume amongst heterosexual men compared to that of women and homosexual men (LeVay, 1991). LeVay concluded that the INAH 3 is dimorphic with sexual orientation, meaning that INAH 3 is physically different when comparing sexual orientation amongst groups of individuals.
In 1991, a behavioral geneticist, Michael Bailey, proposed that genes may contribute to homosexuality in males (Wickelgren, 1999). Bailey found that 52% of identical male twins were homosexual compared to 22% of fraternal male twins (Wickelgren, 19...
... middle of paper ...
...o. 5119 (1993): 291-92. JSTOR. Web. 01 Mar. 2014.
Rice, William R., and Sergey Gavrilets. "Genetic Models of Homosexuality: Generating Testable Predictions." Proceedings: Biological Sciences 273.1605 (2006): 3031-038. JSTOR. Web. 01 Mar. 2014.
Schüklenk, Udo, Edward Stein, Jacinta Kerin, and William Byne. "The Ethics of Genetic Research on Sexual Orientation." Reproductive Health Matters 6.12, Sexuality (1998): 134-43. JSTOR. Web. 01 Mar. 2014.
Wickelgren, Ingrid. "Discovery of 'Gay Gene' Questioned." Science New Series.Vol. 284, No. 5414 (1999): 571. JSTOR. Web. 01 Mar. 2014.
Wikipedia contributors. "Simon LeVay." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 8 Jan. 2014. Web. 1 Mar. 2014.
Need Writing Help?
Get feedback on grammar, clarity, concision and logic instantly.Check your paper »
- Nowadays, being gay is everywhere. It seems like a trip to the supermarket is never complete without a magazine or commercial on the radio advertising gay pride. It seems like the most effective of these trials has to be the hit television show Glee. Many of the shows episodes revolve on the aspect be yourself, whether you are gay, straight, handicapped, or popular. But only one of these has caught the eye of the American public. Gay pride, is it possible to have been born this way. If people can be born this way, what is the proof.... [tags: Born Gay]
920 words (2.6 pages)
- Gay Gene Imagine living in a world where you were told that you could not be with the one you loved because they were the same sex as you, or imagine heterosexuality was not normal where homosexuality was the normal thing to see, imaging being heterosexual in that world, would they want you to marry someone out of the social norm, well for the answer look at society today where only heterosexual couples can get married. Imagine society telling you that your actions were wrong and immoral would you want to be told that being heterosexual was in your genes.... [tags: Homosexuality, Sexual orientation, Bisexuality]
1777 words (5.1 pages)
- While most people are familiar with the notorious Salem Witch Trials in 1692, many people are unaware that similar events were taking place in other parts of New England in the very same year. The book, Escaping Salem: The Other Witch Hunt of 1692, takes readers through an intriguing narrative of a young girl with claims of being bewitched. Although I was concerned at first about the book being in a narrative style, the author was very concise and used actual evidence from the trial to tell an accurate and interesting story.... [tags: Salem witch trials, Witchcraft, Witch-hunt]
1101 words (3.1 pages)
- Currently, gene therapies implemented in clinical situations usually employ a viral vector to incorporate a functional copy of the complete gene. However, severe complications due to oncogene combination often occur, leading to an increased use of endonucleases such as zinc finger nucleases, transcription activator-like effector nucleases, and CRISPR/Cas9 to treat the genetic mutation in IL2RG which cause XSCID. Techniques such as these introduce a double-stranded break in the DNA to instigate homology-directed repair mechanisms.... [tags: DNA, Gene, Genetics, Gene therapy]
955 words (2.7 pages)
- History of the Hunt Family The history of Hunt family provides remarkable examples of both strengths and weaknesses of family business model. Sheer size of the company, characters of great egos and controversial political views always brought a lot of public attention to Hunt family. Yet the most interesting aspect, which will be investigated in this paper, is the interdependence of family and business dynamics. Based on the history of two branches of Hunt family, it will be demonstrated how changes within family can both ruin or foster business.... [tags: business model, hunt oil company]
1333 words (3.8 pages)
- Introduction The usage of genes as medicine give rise to the concept of 'Gene Therapy'. In the process of Gene therapy, a defective gene copy is repaired by transmitting therapeutic gene copy into those cells of an individual. So thereby, a faulty gene could be replaced or a medical condition may be corrected by introducing a new gene. Gene therapy has a promising future as it is powerful enough to treat many genetic conditions and also other deathly disease like AIDS, cancer etc. Though the potential of "gene therapy" is realized and recognized, it remains still on an experimental level and needs to worked on before accepting as the best solution.... [tags: ethical considerations, gene transfer]
1065 words (3 pages)
- Witches the supernatural of the world, the coming out of Katherine Branch and her episodes. When really it’s just crazy young orphan girl wanting attention from her owners. That was the reality of the book, it stated of really well, the excitement the realistic acts, then the lies came down clashing. She couldn’t keep up with the names; she couldn’t keep up with the lies. I didn’t like the book; I enjoyed the beginning, first chapter, when the episodes I was reading where realistic. They came together, pieces where slightly going together going with her allegations.... [tags: Salem witch trials, Witchcraft, Witch-hunt]
729 words (2.1 pages)
- Gay, go into any YouTube comment section, and you will see this word. Today we know it as either defining someone’s sexuality or if someone is happy. Even in seventh grade reading, I remember us going over the word gay and the misuse of it. My teacher would tell us that kids nowadays miss use words because they’re not taught the proper meaning of words. Ironically though, we still were not taught any other meaning of the word, just two. The word gay has not only been around for centuries, but the meaning of it has also changed over time.... [tags: Homosexuality, Gay, Sexual orientation, LGBT]
1000 words (2.9 pages)
- If a young boy has a feminine throw he may be homosexual. Also if he has a soft or high voice this would be another detection that one would be homosexual. There have been many conclusions and statements as to what causes homosexuality. These are the traits that normally are classed with someone who is homosexual. The popular argument in today’s society is that homosexuality is something that is inborn, genetically linked to an enlarged gland in the brain or due to a particular chromosome. This would prove that it is natural, and that it is luck of the draw whether one is homosexual.... [tags: Gay Lesbian Homosexual Papers]
1371 words (3.9 pages)
- The forest, for the moment, is calm and frigid. The glowing orange sun gently caresses the horizon. The air is crisp and the wind blows softly. Chilled morning dew slowly seeps down into the soft dirt. Smells of crumpled leaves permeate the air. Birds leisurely rise from their nests. A flap of the wings, a quick shake and they’re off. Tweeting harmoniously, the early birds cast their wondrous melodies through the icy morning breeze. Squirrels race from tree to tree in search of acorns for the coming wintery season.... [tags: Hunter, Everest, Short Story]
937 words (2.7 pages)