An abnormal large human chromosome identified as an end-to-end fusion of two X's by combined results of the new banding techniques and microdensitometry.
D000015:Abnormalities, Multiple; D000293:Adolescent; D001769:Blood; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002874:Chromosome Mapping; D002906:Chromosomes, Human, 6-12 and X; D046508:Culture Techniques; D004864:Equipment and Supplies; D005260:Female; D005456:Fluorescent Dyes; D006801:Humans; D007621:Karyotyping; D008722:Methods; D008938:Mitosis; D011796:Quinacrine; D012728:Sex Chromatin; D012730:Sex Chromosomes; D012867:Skin; D013194:Staining and Labeling; D014424:Turner Syndrome
D005456:Fluorescent Dyes; D011796:Quinacrine