The disease is caused by a defective gene.

这种病是由基因缺陷引起的。

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Thee disease is caused by a defective gene.

这种疾病是由基因缺陷引起的。

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A defective gene.

有缺陷的基因。

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They homed in on a single gene, known as GNPTAB, which was defective in 46 members of a large Pakistani family.

VOA: standard.2010.02.11

One way is to replace a gene that's defective in a disease.

其中之一是置换,导致某种疾病的缺陷基因

耶鲁公开课 - 生物医学工程探索课程节选

Fisher notes that not every stutterer in the Drayna study had the defective gene, meaning there must be a number of other genes tied to stuttering.

VOA: standard.2010.02.11

But in cystic fibrosis, a defective gene causes the secretions to become thick and sticky.

CNN: Cystic fibrosis

Men have one X and one Y, so a defective gene on the X shows itself readily.

WSJ: New Outlook for Colorblindness

One of them targets a defective gene on the seventh chromosome, present in roughly 7% of all cancers, including most cases of melanoma.

FORBES: Magazine Article