title: A variant of the fra(X) syndrome.
abstract: A decondensed site at band q26 of the X chromosome was found in a male baby with growth and developmental retardation and a dysmorphic syndrome, as well as in his pheno-typically normal mother, without using any special culture conditions.
mesh_terms: D002478:Cells, Cultured; D002874:Chromosome Mapping; D005260:Female; D005600:Fragile X Syndrome / Q000235:genetics* / Q000473:pathology; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D008938:Mitosis; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014960:X Chromosome / Q000648:ultrastructure