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Sex Ratios of Half-Sibs of Male Homosexuals

Published online by Cambridge University Press:  29 January 2018

William H. James
William H. James*
Affiliation:
Department of Biometry, Galton Laboratory, University College, London W.C.1
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Extract

Lang (1960) has reported that in his own data and in that of Jensch (1941) the sex ratios of the maternal half-sibs of homosexual index cases was low and the sex ratio of paternal half-sibs was high (see Table). I should like to offer a possible explanation of this phenomenon.

Type
Research Article
Information
The British Journal of Psychiatry , Volume 118 , Issue 542 , January 1971 , pp. 93 - 94
Copyright
Copyright © The Royal College of Psychiatrists, 1971 

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References

Jensch, K. Quoted by Lang, .Google Scholar
Lang, T. (1960). ‘Die Homosexualität als genetisches Problem.’ Acta Gen. med. Gemellologiae, 9, 370–81.Google Scholar
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