Section 7
Chapter 6,681

The frequency of XYY and XXY men among criminal offenders

Schröder, J.; de la Chapelle, A.; Hakola, P.; Virkkunen, M.

Acta Psychiatrica Scandinavica 63(3): 272-276


ISSN/ISBN: 0001-690X
PMID: 7234480
Accession: 006680181

Among 1040 consecutive male criminals remitted for mental examinations, 9 had the karyotype 47,XYY, 1 had 48,XXYY and 11 had 47,XXY. The types of crime in the XYY men were much like those in the XXY men, the proportion of sexual crimes possibly being greater than among other criminal offenders. The reasons for these findings are discussed.

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