Science. 1999 Apr 23;284(5414):665-7.

Male homosexuality: absence of linkage to microsatellite markers at Xq28.

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Department of Clinical Neurological Sciences, University of Western Ontario, 339 Windermere Road, London, Ontario, Canada, N6A 5A5. grice@julian.uwo.ca

Abstract

Several lines of evidence have implicated genetic factors in homosexuality. The most compelling observation has been the report of genetic linkage of male homosexuality to microsatellite markers on the X chromosome. This observation warranted further study and confirmation. Sharing of alleles at position Xq28 was studied in 52 gay male sibling pairs from Canadian families. Four markers at Xq28 were analyzed (DXS1113, BGN, Factor 8, and DXS1108). Allele and haplotype sharing for these markers was not increased over expectation. These results do not support an X-linked gene underlying male homosexuality.

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Discovery of 'gay gene' questioned. [Science. 1999]
Discovery of 'gay gene' questioned.Wickelgren I. Science. 1999 Apr 23; 284(5414):571.

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Discovery of 'gay gene' questioned. [Science. 1999]
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Linkage between sexual orientation and chromosome Xq28 in males but not in females. [Nat Genet. 1995]
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Review X-linked recessive inheritance of radial ray deficiencies in a family with four affected males.
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Male homosexuality: absence of linkage to microsatellite markers at Xq28.

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