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Gay Gene
| Owner: | shadow_sky | |
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| Language: | English | |
| Number of downloads: | 21 | |
| Number of readers who love this book: | 0 | |
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In July 1993, a scientific event made front-page news: the discovery that genetics plays a significant role in determining homosexuality. In The Science of Desire, Dean Hamer -- the scientist behind the groundbreaking study -- tells the inside story of how the discovery was made and what it means, not only for our understanding of sexuality, but for human behavior in general.
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... The earliest, by Franz Kallmann in 1952, found an amazing 100% concordance rate among 37 male MZ twin pairs, compared to a much lower rate of 12% for 26 male DZ twin pairs. Kallmann's study had enough methodological problems that its specific results, particularly the 100% MZ concordance rate, cannot be taken very seriously. On the other hand, no one has provided a satisfying explanation of how the methodological problems could wholly discredit evidence for genetic influences. Thus, it is somewhat surprising to us that nearly 40 years passed before others attempted to follow up his promising results systematically....
Comments by our readers
May 20, 2008 | piyush good to read not so injerious