title: Frequency of 9qh+ and risk of chromosome aberrations in the progeny of individuals with 9qh+.
mesh_terms: D000328:Adult; D000368:Aged; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002906:Chromosomes, Human, 6-12 and X; D005260:Female; D006570:Heterochromatin; D006801:Humans; D007621:Karyotyping; D008214:Lymphocytes / Q000166:cytology; D008297:Male; D010375:Pedigree; D010554:Personality Disorders / Q000235:genetics; D012559:Schizophrenia / Q000235:genetics; D013194:Staining and Labeling
chemical_list: D006570:Heterochromatin