Prevalence of XYY and XXY karyotypes in 337 nonretarded young offenders.
D000293:Adolescent; D044383:Black People; D001827:Body Height; D002648:Child; D005006:Ethnicity; D006801:Humans; D007361:Intelligence Tests; D007604:Juvenile Delinquency; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000453:epidemiology; D008297:Male; D009518:New York; D044469:Racial Groups; D012729:Sex Chromosome Aberrations; D012959:Socioeconomic Factors; D044465:White People; D001741:Black or African American