Chromosome studies of males in an institution for the mentally handicapped. |
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| Authors: | C J English E V Davison M S Bhate L Barrett |
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| Affiliation: | Department of Human Genetics, University of Newcastle upon Tyne. |
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| Abstract: | Karyotypes were examined in 512 (91.9%) of 557 male patients in an institution for the mentally handicapped. A total of 110 (21.5%) had an abnormal karyotype: 65 (12.7%) with Down's syndrome, 30 (5.9%) with the fragile X syndrome, 13 (2.5%) with autosomal anomalies other than Down's syndrome (12 unbalanced, one balanced), and two (0.4%) with sex chromosome anomalies. |
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