Ring chromosome 18 in mother and daughter.
D001797:Blood Protein Electrophoresis; D002648:Child; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D003582:Cytogenetics; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology; D008831:Microcephaly / Q000150:complications; D008875:Middle Aged; D011618:Psychotic Disorders / Q000209:etiology; D013064:Speech Disorders / Q000150:complications