人类基因组拷贝数变异缺失在数量上也有很大的不同，有些人的缺失数甚至能达到几百万。
There is a wide variation in the amount of these CNV deletions which people have in their genome, with some people having several million.
研究人员发现，在个子比较矮的人身上，会出现低发生率拷贝数变异过剩——部分基因组缺失。
And the researchers found an excess of low frequency CNV deletions - where part of the genome is missing - in shorter people.
他们研究被称为拷贝数变异（CNV）的染色体的删减和复制，发现在患有多动症的儿童中有 16%都存在。
Their study looked for chromosomal deletions and duplications known as copy number variants (CNV) and found that these were present in 16% of the children with ADHD.
这个膨胀的工具满足日益增长的需求，研究人员调查拷贝数变异，蛋白结合的活动，和DNA甲基化。
This expansive suite of tools meets the growing needs of researchers investigating copy number variation, protein binding events, and DNA Methylation.
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。
Recently geneticists have taken a closer look at a genetic aberration previously considered rare: copy number variation (CNV).
研究结果表明至少有10%—20%的基因活性方面的遗传变异归功于变异基因拷贝数方面的因素。
The results show that at least 10-20% of heritable variation in gene activity is due to CNVs.
人类基因组单体型图在检测在许多疾病涉及的基因变异方面的作用不言而喻并且这些结论也表明变异基因拷贝数指数也有类似的作用。
The HapMap has been invaluable in detecting variants involved in many diseases and these results suggest that the CNV index will prove similarly useful.
人类基因组单体型图在检测在许多疾病涉及的基因变异方面的作用不言而喻并且这些结论也表明变异基因拷贝数指数也有类似的作用。
The HapMap has been invaluable in detecting variants involved in many diseases and these results suggest that the CNV index will prove similarly useful.
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