An unstable ring chromosome in a female infant with hypotonia, seizures, and retarded development.
D046508:Culture Techniques; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007621:Karyotyping; D007962:Leukocytes; D009030:Mosaicism; D009069:Movement Disorders / Q000235:genetics*; D024510:Muscle Development; D009135:Muscular Diseases / Q000235:genetics*; D012640:Seizures