title: Fragile X chromosome: consistent demonstration of fragile site in fibroblast cultures.
mesh_terms: D000328:Adult; D000368:Aged; D002478:Cells, Cultured; D043283:Chromosome Fragile Sites; D002873:Chromosome Fragility; D003584:Cytological Techniques; D005260:Female; D005347:Fibroblasts / Q000648:ultrastructure; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D008715:Methionine; D008875:Middle Aged; D012730:Sex Chromosomes; D014960:X Chromosome
chemical_list: D008715:Methionine