Structural anomalies of the X chromosome and inactivation center.
D002871:Chromosome Banding; D002872:Chromosome Deletion; D005260:Female; D006801:Humans; D009030:Mosaicism; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D012730:Sex Chromosomes / Q000648:ultrastructure*; D014178:Translocation, Genetic; D014960:X Chromosome / Q000648:ultrastructure*