大学英语词汇短语释义解析及例句 copy number
释义：
copy number 拷贝数：指基因组中某个特定基因或DNA序列的拷贝数量。
例句：
We determine the copy number oft -PA gene for the cell line.
测定工程细胞株基因拷贝数是细胞生物学特性鉴定的一个方面。
The copy number of starting cannot exceed the ending one. Please modify before continue!
抄送起始个数不能大于终止个数，请修改后继续！
Results it was shown that with the increase of age, copy number of homologous sequence decreases.
结果随着小鼠年龄的增加，同源序列的拷贝数减少。
Intratumoral heterogeneity of EGFR protein overexpression and EGFR copy number alteration was not significant.
EGFR蛋白过表达和EGFR拷贝数改变的肿瘤内异质性无统计学意义。
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。
The experiment on the influence of the different repeat sequence on the copy number of plasmid is still under way.
不同的重复序列对质粒拷贝数的影响实验正在进行中。
Especially in low copy number of molecules, or a slower reaction rate, the role of this effect will be more prominent.
特别是在分子数目较少或反应速率较慢时，这种影响的作用将更加显著。
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。
In recent years, Low Copy Number biological evidence plays an increasingly important position in forensic DNA analysis.
近年来，低拷贝模板类生物物证受到广泛关注并在法医dna分析中占有了越来越重要的地位。
Human Epidermal Growth Factor Receptor 2 Testing in 2010: Does Chromosome 17 Centromere Copy Number Make Any Difference?
2010年人表皮生长因子受体2检测：17号染色体着丝粒拷贝数是否具有影响？
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。
Users can build custom datasets by querying for specific clinical sample characteristics or copy number changes of individual genes.
用户能够通过查询特定临床样品特征或个别基因的拷贝数变化构建定制的数据集。
We undertook this study to determine whether EGFR mutations, increases in EGFR copy number, or ALK translocations are present in these tumors.
我们进行此项研究，确定这类肿瘤中是否有EGFR基因的突变、EGFR基因拷贝数的增多、及ALK的易位。
"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.
“研究人员以前看到的复制数量变化只是冰山一角，而其绝大部分都还未浮出水面，未被发现，”赫尔斯博士说。
Clinical and pathological variables, copy number alterations, mutations, and expression signatures were compared with a cohort of TCEB1 wild-type tumors.
就肿瘤的临床及病理特征、染色体拷贝数量改变、突变和表达特征等方面与TCEB1野生型肿瘤进行比较。
Microarrays are well suited for the integrative systems biology approach, but none of the existing microarray databases is focusing on copy number changes.
微阵列非常适合于整合的系统生物学方式，但是没有一个现有的微阵列数据库是集中于拷贝数变化的。
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。
