title: Karyotype XX/XY/XXY/XXXY in a Klinefelter patient.
mesh_terms: D000368:Aged; D001345:Autoradiography; D001773:Blood Cells / Q000648:ultrastructure; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D008856:Microscopy, Fluorescence; D009030:Mosaicism; D012728:Sex Chromatin / Q000032:analysis; D012730:Sex Chromosomes; D013194:Staining and Labeling