title: XYY karyotype in a pair of monozygotic twins: a 17-year life-history study.
mesh_terms: D000293:Adolescent; D044383:Black People; D001827:Body Height; D001835:Body Weight; D002653:Child Behavior Disorders / Q000209:etiology*; D004200:Diseases in Twins; D004569:Electroencephalography; D005191:Family Characteristics; D005260:Female; D005334:Fever; D006801:Humans; D007175:Impulsive Behavior / Q000209:etiology; D007223:Infant; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D010554:Personality Disorders / Q000209:etiology; D011247:Pregnancy; D011248:Pregnancy Complications; D012640:Seizures / Q000209:etiology; D012729:Sex Chromosome Aberrations / Q000150:complications*; D013733:Testicular Diseases