第7卷‧第4期,
198310
, pp. 474-480
台中地區殘障學童染色體之研究
- 作者:
李宣佑; 周德程; 周明智
- 作者服務機構:
私立中山醫學院細胞遺傳實驗室
- 中文摘要:
本研究包括台中市、彰化縣及省立南投啟智教養院之智力不足學童,共244名,經染色體檢查後,發現有23名(9.43%)帶有異常的染色體組成,在體染色體方面有20名唐氏症,一名原發性雙重平衡轉位,在性染色體方面,有一名為47,XYY,一名為47,XXY,大型Y染色體(Yq+),其出現頻率頗高(26.32%),Yq+是否與智力不足有關,目前尚無法加以確定。而原發性雙重平衡轉位與智力不足似乎有密切關係,唯唐氏症呈智力不足則為不爭之事實。與世界各地類似研究之文獻相比較,各種主要異常的發生率在不同的族群中頗為相近。
- 英文摘要:
A cytogenetic study on 244 mentally retarded children in Taichung city, Changhua county, andTaiwan Provincial Nantou Rehabilitation Center for the Mentally Retarded was made. Abnormal karyo-types were found in 23 individuals (9.43%), of whom 20 (8.20%) had Down's syndrome, 1 (0.41%) de novodouble balanced translocation, and 2 (0.82%) sex chromosome abnormalities (1,XXY;1,XYY). A highfrequency of the Yq+ (26·32%) was also found in this investigation. Our finding were compared with thosepresented in eight surveys reported in the literature.
- 中文關鍵字:
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- 英文關鍵字:
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