Recently geneticists have taken a closer look at a genetic aberration previously considered rare: copy number variation (CNV).

最近遗传学家对以前被认为很罕见的遗传变异：拷贝数变异（copy number variation ，CNV）进行了更细致的研究。

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DEFB gene products are small antimicrobial proinflammatory peptides, and copy number variation (CNV) could reasonably influence susceptibility to infection and inflammation.

DEFB基因产物是小分子抗菌肽，且拷贝数变化(CNV)可显著影响易感性及炎症反应。

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DEFB gene products are small antimicrobial proinflammatory peptides, and copy number variation (CNV) could reasonably influence susceptibility to infection and inflammation.

DEFB基因产物是小分子抗菌肽，且拷贝数变化(CNV)可显著影响易感性及炎症反应。

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