Search or filter the library with the following form. Go to individual, detailed pages for each item by clicking on it's title. Clicking on author names, keywords or year will filter the table below to include only items with the same characteristic.
| ID |
Authors |
Year |
Title |
Keywords |
Summary |
115 
| Bailey, J, et al. | 91 | A Genetic Study of Male Sexual Orientation |
Homosexuality, Genetics, Nature and nurture, Familiality, Twins |
Of the relatives of gay men whose sexual orientation could be rated, 52% of identical twins, 22% of fraternal twins, and 11% of adoptive brothers were... |
113
| Bearman, P, et al. | 02 | Opposite-Sex Twins and Adolescent Same-Sex Attraction |
Twins, Homosexuality, Genetics, Nature and Nurture |
Adolescent males who are opposite-sex twins are twice as likely as expected to be report same-sex attraction, suggesting a connection between less gen... |
572
| Cheng, S, et al. | 08 | Homosexual Mating in the Planktonic Copepod Pseudodiaptomus annandalei (Copepoda: Calanoida) |
Homosexuality in Nature, Animals |
|
317 
| O'Grair, S | 07 | The Fraternal Birth Order Effect |
Fraternal Birth Order Effect, Science, Causes of Homosexuality, Nature |
One trait associated with homosexual orientation has been reliable enough that it has been called “The most consistent biodemographic correlate of s... |
442
| O'Grair, S | 08 | Nature vs. Nurture |
Nature vs. Nurture, Science, Causes of Orientation |
The nature verses nurture debates that typically occur on the topic of GLBT politics are in great need of some broad perspective. |
525
| O'Grair, S | 08 | How Homosexuals Are Different |
Causes of Homosexuality, Nature vs. Nurture, Hormone Exposure, Phenotype, Hypothalamus, Science, Causes of Orientation |
Here we will describe what the research has found regarding both physical and mental differences between homosexuals and heterosexuals, though there w... |
547
| O'Grair, S | 08 | The Causes of Homosexuality |
Nature vs. Nurture, Science, Causes of Orientation, Fraternal Birth Order Effect, Twin Studies, Genetics, Gay Genes, Nurture, Nature |
|
569
| O'Grair, S | 08 | Handedness as Orientation |
Handedness, Left Handedness, Nurture, Genetics, Genes, Nature, Orientation, Homosexuality, Science |
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