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- The illness is believed to be caused by a defective gene. 这病被认为是由基因缺陷引起的。
- A next, obvious step was to look for humans with the same defective gene. 很明显，下一步是寻找人类同样缺失的基因。
- Evidence is accumulating that a defective gene may be responsible for this disease. 越来越多的证据表明该疾病是由一种有缺陷的基因引起的。
- Scientists have attempted to treat the disease with gene therapy, whereby the defective gene is swapped for a healthy one. 科学家一直希望用基因疗法治疗此病，即用健康基因把失去功能的基因替换掉。
- This recessive disease was first identified in the Amish, one in 19 of whom carries a copy of the defective gene, which causes an unusual kind of dwarfism. 这种隐性的遗传疾病，最早是在北美艾米许人身上发现的；每19位艾米许人当中就有1位携带了一个备份的缺陷基因，该基因会造成某种罕见的侏儒症。
- The dermoid sinus gene is believed by some to be recessive, meaning that the animal must receive one defective gene from each parent in order to develop the condition. 有人认为皮窦基因是隐性的，也就是犬只必须从父母双方各获得一个皮窦基因才可能导致疾病发生。
- Gene Therapy identifies missing or defective genes that cause cancer or increase cancer risk, and replaces them with normal copies. 基因治疗是明确导致癌症或者增高癌症风险的缺失或者缺陷基因,从而以正常基因替代之。
- They detected no defect in the product. 他们没发现产品有任何问题。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点，他意志薄弱。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- He made out with a defective tool and still got the job done. 他将就使用一件不完善的工具而仍然完成了任务。
- A damaged or defective object or device. 损坏物，缺陷物损坏的或有缺陷的物体或设备
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
- In other cases, water was in excess, and fire in defect. 至于其它的情形则是水分太多，火候不足。
- One of the lorries dropped back with a mechanical defect. 一辆卡车因出故障而落在后面了。
- A defect in a legal document that can render it invalid. 破绽，失效可能导致其无效的法律文件的漏洞
- The position that a given gene occupies on a chromosome. 基因座在一条染色体上某种给定基因所占的位置
- If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
- A defect of vision prevented him from focusing accurately. 视力上的缺陷使他不能准确对焦。
