doi: 10.1007/BF00282163.
A cytogenetic study of mentally retarded school children in Taiwan with special reference to the fragile X chromosome
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- PMID: 2970423
- DOI: 10.1007/BF00282163
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A cytogenetic study of mentally retarded school children in Taiwan with special reference to the fragile X chromosome
Hum Genet.
1988 Aug.
Abstract
A cytogenetic study was made on 341 mentally retarded children in the Provincial Nantou Rehabilitation Center for the Mentally Retarded and the St. Raphael Opportunity Center in Tainan. Of the 89 mentally retarded children with chromosomal abnormalities, 63 had Down syndrome, 13 had the fragile X [fra(X)] syndrome, and the remaining had other aneuploid constitutions. Family studies were possible for 2 of the 13 fra(X) probands. The results of this study illustrate the contribution of chromosomal abnormalities to the pathogenesis of mental retardation in children.
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