Report of five unrelated patients with a small, metacentric, extra chromosome or fragment.
D000015:Abnormalities, Multiple / Q000235:genetics; D000328:Adult; D001345:Autoradiography; D002648:Child; D002675:Child, Preschool; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D007962:Leukocytes / Q000166:cytology; D008297:Male; D009061:Mouth Mucosa / Q000166:cytology; D012728:Sex Chromatin; D012867:Skin / Q000166:cytology; D014314:Trisomy