Using gene-mapping techniques, the researchers identified a small stretch of DNA on chromosome 2, where the disease-causing gene was thought to reside.

研究人员运用基因制图技术鉴定了2号染色体上的一小段DNA，而通常认为致病基因就存在于该染色体。

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In this study, the researchers were looking at a population with high rates of disease-causing gene mutations to investigate genetic causes of deafness.

在这份研究中，研究人员研究带有大量致病基因突变的人，来调查失聪的原因。

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Objective to study the disease-causing gene mutations in Chinese hypertrophic cardiomyopathy (HCM) and to reveal the relationship between the genotype and the phenotype.

目的研究中国人家族性肥厚型心肌病(HCM)的致病基因突变位点，分析基因型与临床表型的相互关系。

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The researchers found that he and three members of his family had two disease-causing mutations in one gene.

VOA: special.2010.03.23

The modern hunt for disease-causing genes began in the early 1980s with the advent of new gene-splicing methods.

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Two developed the disease because IL2RG inserted itself into the cellular genome next to a known cancer-causing gene and activated it, but the cause of the third cancer case had not been found.

BBC: NEWS | Health | 'Bubble boy' therapy cancer risk