copy number

常见例句

Recently geneticists have taken a closer look at a genetic aberration previously considered rare: copy number variation (CNV).
最近遺傳學家對以前被認爲很罕見的遺傳變異：拷貝數變異（copy number variation ，CNV）進行了更細致的研究。
“The copy number variation that researchers had seen before was simply the tip of the iceberg, while the bulk lay submerged, undetected,” said Dr Hurles.
“研究人員以前看到的複制數量變化衹是冰山一角，而其絕大部分都還未浮出水麪，未被發現，”赫爾斯博士說。
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.
他們研究被稱爲拷貝數變異（CNV）的染色躰的刪減和複制，發現在患有多動症的兒童中有 16% 都存在。

For example, a recent (2007) study by Sebat et al. found a clear link between ASD and de novo copy number variation (de novo mutations are those that arise for the first time in the children).
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