title: Triple X female and a Down's syndrome offspring.
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007360:Intelligence; D009061:Mouth Mucosa / Q000166:cytology; D012728:Sex Chromatin; D012730:Sex Chromosomes; D014314:Trisomy