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| 1. | For example, a changed gene will cause a cell to divide when it should stop dividing. |
| 比如，突变的基因会导致一个细胞在应该停止裂变时继续裂变， |
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| -- 来源 -- 交互式慢速英语-秋季号 - Melanoma Research |
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| 2. | However, sometimes a mutation in a gene will cause cells to act in an unusual way. |
| 不过，有时基因的突变会导致细胞不正常活动， |
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| -- 来源 -- 交互式慢速英语-秋季号 - Melanoma Research |
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