单词：genetic change
genetic change的用法和样例：
例句
- Like genetic mutations, epigenetic changes can pass from one generation of cells to the next.就像基因突变一样，外遗传改变可以从这一代细胞传给下一代细胞。
- Today infectious disease experts recognize that an avian flu virus could genetically change enough to trigger a human pandemic.现在传染病学家了解到，禽流感病毒的遗传改变，足以引起人类间的大流行。
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