title: Partial XYY syndrome.
mesh_terms: D000293:Adolescent; D000374:Aggression; D002653:Child Behavior Disorders; D003582:Cytogenetics; D006801:Humans; D007621:Karyotyping; D008297:Male; D010287:Parent-Child Relations; D011581:Psychological Tests; D011606:Psychosexual Development; D012729:Sex Chromosome Aberrations