Inherited genetic abnormality: Some people are born with an abnormal gene passed on by a parent.
遗传性基因异常：有些人出生时即具有来自父母的异常基因。
Objective to investigate the genetic abnormality of ventilatory control may play a role in the familial aggregation of obstructive sleep apnea-hypopnea syndrome (OSAHS).
目的探讨呼吸调节异常是否是引起阻塞性睡眠呼吸暂停低通气综合征(OSAHS)家族聚集性的原因。
When the vast majority of disease has no correlation to any identifiable genetic abnormality, we have to stop thinking that everything is genetic.
当绝大部分的疾病都同某一种异常基因没有相关性时，我们不得不停止考虑每种疾患都与基因有关。
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。
A pedigree study revealed that the genetic abnormality originates from his mother.
家系调查表明，其遗传变异来自母亲。
A pedigree study revealed that the genetic abnormality originates from his mother.
家系调查表明，其遗传变异来自母亲。
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