title: Three cases of sex chromosome mosaicism with a nonfluorescent Y.
abstract: Clinical and cytogenetic findings in three patients mosaic for sex chromosomes (45,X0/46,XY; 45,X0/46,XY/46,XYq-, and 45,X0/46,XY/46,XYY), each with a nonfluorescent Y, are presented. Hypotheses for the origin and effect of these chromosome constitutions are discussed.
mesh_terms: D000328:Adult; D002871:Chromosome Banding; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D009030:Mosaicism; D010641:Phenotype; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014424:Turner Syndrome / Q000235:genetics; D014997:XYY Karyotype / Q000235:genetics; D014998:Y Chromosome