染色体病(chromosomal disease)是指因为先天性的染色体数量异样或结构异样而引发的拥有一系列临床症状的综合征。一样平常分为常染色体病和性染色体病两大类。
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...六、遗传病的分类及发病率 遗传病一般分为基因病（genic disease）与染色体病（chromosomal disease）。基因病又分为单基因病（monogenic disease）和多基因病（polygenic disease）。
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... chromosomal defects 染色体异常 chromosomal deficiency 染色体缺失 chromosomal disease 染色体疾病 ...
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Klinefelter syndrome is still the most common chromosomal disease, balanced translocation accounts for largest proportion of autosomal abnormality.
克氏症仍是最常见的染色体疾病，染色体平衡易位核型占常染色体异常核型比例最大。
Objective: To explore the practical value of Down's screening and antenatal diagnosis in preventing and decreasing chromosomal disease and congenital birth defect.
目的：探讨唐氏筛查及产前诊断在预防和减少染色体病及先天缺陷儿出生的实用价值。
Caused by the abnormality of chromosome 21, Down syndrome is the most common chromosomal disease as well as one of the most frequent known genetic causes of mental retardation.
唐氏综合症由人体21号染色体病变引起。它是最常见的染色体疾病，也是最主要的导致智力落后的基因病变。
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