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).
按通用的标准认为，比值低于0.8有DNA拷贝数降低，大于1.2有DNA拷贝数增加。
参考来源 - 乳腺癌的比较基因组杂交研究Mitochondrial DNA copy number of 44 h was(130 074.30±78 119.45),which was significantly higher than that of 33 h(P<0.05).
卵母细胞成熟44h的mtDNA拷贝数为(130 074.30±78 119.45),显著高于成熟33h的mtDNA拷贝数(P<0.05)。
参考来源 - 猪卵母细胞线粒体分布及线粒体DNA拷贝数变化·2,447,543篇论文数据，部分数据来源于NoteExpress
And in 2007 researchers sequenced the genome of genetic pioneer J. Craig Venter and found 62 copy number variations.
而且，研究人员在2007年对遗传学的先驱克雷格·文特尔(J . Craig Venter)的基因组测序发现有62个拷贝数变化。
Coincidentally, the psoriasis paper mentioned a recent study that linked SLE to low copy number of complement C4 genes.
巧合的是，银屑病论文提到近期一项研究将SLE与补体蛋白c4基因拷贝数低联系起来。
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。
应用推荐