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Does homosexuality have a significant genetic component?

Topics:  Homosexuality   Genetics   Science  

 

AnswerExpertQuote (click to sort by date)
Dean H. HamerChief, Section on Gene Structure and Regulation
The linkage to markers on Xq28, the subtelomeric region of the long arm of the sex chromosome... [indicated] a statistical confidence level of more than 99 percent that at least one subtype of male sexual orientation is genetically influenced.     
16 Jul 1993   Source
Toshihiro KitamotoAssistant Professor
It is reported here that male-male courtship behavior is evoked instantaneously in the fruit fly Drosophila by conditional disruption of synaptic transmission. A temperature-sensitive allele of the Drosophila dynamin gene shibire (shi(ts1)) was expressed by using the GAL4/UAS system to disrupt synaptic transmission from GAL4-positive neurons in a temperature-dependent manner.     
01 Oct 2002   Source
Ebru DemirResearcher, Research Institute of Molecular Pathology
Barry J. DicksonScientific Director, Institute of Molecular Biotechnology
We show that male [gene] splicing is essential for male courtship behavior and sexual orientation. More importantly, male [gene] splicing is also sufficient to generate male behavior in otherwise normal females. These females direct their courtship toward other females (or males engineered to produce female pheromones).     
03 Jun 2005   Source
Charles Hesse, M.D.WordAlone Board Member
[The Bible] speaks clearly and emphatically against this lifestyle. ... First and foremost, there is no genetic basis for "same-sex attraction disorder" (SSAD). Genetics is a complicated issue, with many possible inherited predisposing factors for a personality type that could be vulnerable to the development of SSAD. It has been shown in many studies that environmental influences acting on the "vulnerable" individual can lead to confusion and eventual adoption of a homosexual lifestyle.     
01 Aug 2007   Source
A. Dean ByrdClinical Professor of Medicine
The essentialist argument that homosexuality is biologically determined, and is therefore not amenable to change, continues to find little support in science.     
01 Feb 2008   Source