copy number

基本解釋

• 拷貝數(shù)，復寫數(shù)

英漢例句

雙語例句

• 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為很罕見的遺傳變異：拷貝數(shù)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復制數(shù)量變化只是冰山一角，而其絕大部分都還未浮出水面，未被發(fā)現(xiàn)，”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.
  他們研究被稱為拷貝數(shù)變異（CNV）的染色體的刪減和復制，發(fā)現(xiàn)在患有多動癥的兒童中有 16% 都存在。

權(quán)威例句

• 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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詞組短語

短語

• copy -number dependent gene expression 拷貝數(shù)依賴型基因表達
• Low -copy-number 數(shù)量分
• high -copy-number plasmid 高拷貝質(zhì)粒
• copy number variation 拷貝數(shù)變異;拷貝數(shù)變化;復制數(shù)變異
• copy number variations 拷貝數(shù)變異;拷貝數(shù)變異區(qū)域;基因組拷貝數(shù)變異;組拷貝數(shù)變化

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專業(yè)釋義

醫(yī)藥科學

• 拷貝數(shù)

  0.8 and 1.2 were chosen as thresholds for the identification of DNA copy number decreases (below 0.8) and increases (above 1.2).
  按通用的標準認為，比值低于0.8有DNA拷貝數(shù)降低，大于1.2有DNA拷貝數(shù)增加。

  農(nóng)業(yè)科學

• 拷貝數(shù)

  Mitochondrial DNA copy number of 44 h was(130 074.30±78 119.45),which was significantly higher than that of 33 h(P
  卵母細胞成熟44h的mtDNA拷貝數(shù)為(130 074.30±78 119.45),顯著高于成熟33h的mtDNA拷貝數(shù)(P

  生物學

• 拷貝數(shù)