We construct a marker-free vector of RB gene in order to apply with RB in the tomato late blight breeding and production.
为了使马铃薯抗晚疫病基因RB能够在番茄育种和生产中应用，构建了RB无选择标记载体。
Neither Barry nor De Jong, denied Tevez's support, was able to free himself from a spirited marker to receive, and both failed to cope with the industry and pressure of Pienaar, Cahill and Fellaini.
另一方面，巴里和德容尽管得到了特维斯的支持，依旧没有能够表现得像一个称职的防守者，他俩在与对方的皮纳尔、卡希尔和费莱尼的对抗中大败亏输。
The changes of related serum enzymes, liver-fibrosis marker, oxygen free radical and liver tissue pathology were observed after 8 weeks of treatment.
观察治疗8周后大鼠的相关血清酶类、肝纤维化标志物、氧自由基及肝组织病理学等变化。
He was so into attacking that he sometimes forgot his defensive duties and left his marker free to roam.
他太喜欢进攻了，喜欢到有时候会忘了防守他该防守的人。
Objectives: To establish the technology for extracting cell-free fetal DNA in maternal plasma, comparing detection rate of fetal component marker SRY gene and RASSF1A gene.
工作目的：建立母血浆中胎儿游离dna分离提取的技术，利用SRY基因和RASSF1A基因检测胎儿游离dna，并比较它们的检出率。
Objectives: To establish the technology for extracting cell-free fetal DNA in maternal plasma, comparing detection rate of fetal component marker SRY gene and RASSF1A gene.
工作目的：建立母血浆中胎儿游离dna分离提取的技术，利用SRY基因和RASSF1A基因检测胎儿游离dna，并比较它们的检出率。
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