Inserting new genes, which has yet to be carried out in human embryos, raises further questions. 目前新基因插入还未在人类胚胎上进行过,这种技术提出了更多问题。
It is this planned use of human embryos that has resulted in controversy and criticism. 正是这个有计划的使用人类胚胎引起了争议与批评。
It is a type of cloning that involves the duplication of embryos for stem cell research. 这是一种复制胚胎用于干细胞研究的克隆。
Researchers say they have found a way to produce stem cells from human embryos without harm to the embryos. 研究人员说,他们已找到一种方法从人类胚胎取得干细胞,不损害胚胎。
Effects of Ghrelin on in vitro development of buffalo in vitro fertilized and parthenogenetic embryos Ghrelin对水牛体外受精和孤雌激活胚胎体外发育的影响
The effect of various factors on the occurrence and growth of abnormal somatic embryos were studied. 采用组织培养和石蜡切片法,分析多种因素对防风畸形胚状体发生和发育过程的影响及控制。
HCG value is not high and the luteal phase defect embryos may not stop the real cause of infertility! HCG值不高和黄体功能不全可能都不是胚胎停育的真正原因!
This is the first report on the methylation patterns of in vitro-derived mouse tetraploid embryos. 这是对小鼠四倍体早期胚胎基因组甲基化模式的首次报道。
The effects of different embryo bisection solutions and methods and embryo development stages on in vitro embryos bisection of ovine were researched in this experiment. 主要研究了胚胎分割液、分割方法和胚胎发育时期对绵羊体外生产胚胎的影响。
Here we show that EpiSCs can be routinely derived from pre-implantation mouse embryos. 在这篇文章中,我们展示了植入前的小鼠胚胎可以常规性的产生上胚层细胞。
CHH methylation of small transposable elements is increased in embryos, suggesting that endosperm demethylation enhances transposon silencing. 胚中小的转座元件CHH甲基化作用发生了增强,表明了胚乳的去甲基化增强了转座元件的沉默。
Researchers can harvest and grow adult cells in large amounts compared to embryos. 与胚胎相比,研究者能大规模获得和培养成体细胞。
Embryology The study of the development of embryos, usually from fertilization. 胚胎学:是研究胚胎发育的学科,通常从受精开始。
What recorded them were embryos of angiosperm and gymnosperm. 记忆它们的是被子植物和裸子植物等胚种。
Later, many animal experiments have confirmed that the heat of animal embryos be harmful. 后来,许多动物的实验都证实了高热对动物胚胎具有危害性。
The results of this study for the development of mouse embryos provide clues to the mechanism. 本研究的分析结果,可为鼠早期胚胎的发育机理研究提供线索。
This time, only five embryos were needed to produce each one of the Dollies. 这一次,制造多莉只用了五个胚胎。
This status is linked to the embryos different stages of development. 这一地位是与胚胎所处的不同的发展阶段相联系的。
The interaction between mammalian embryos and mothers is analyzed using the approaches for molecular biology and cell biology. 主要利用分子生物学和细胞生物学方法,研究哺乳动物胚胎与母体之间的相互作用机理。
The cells of the integument and nucellus of some plants form perfectly normal embryos. 某些植物的珠被和珠心细胞形成完全正常的胚。
He dissected their embryos and documented every stage of their embryonic life. 他解剖它的胚胎,记下了它的胚胎时期每一阶段的发育情况。
To increase the hatchability in vitro, two methods were used to culture the duck embryos in surrogate eggshells. 采用两种方法进行了鸭胚胎代用蛋壳培养,旨在提高出雏率。
The researchers used fast neutrons to irradiate mouse embryos between the blastocyst stage and the beginning of somite formation. 研究人员用快中子照射在胚泡期和体节形成开始之间的小鼠胚胎。
The scientist has made a pointed comparison between suspensors of plant embryos and mammalian trophoblasts. 这位科学家把植物胚的胚柄与哺乳动物的滋养层做了直接的比较。
Developing maize embryos were used to investigate the relationship between developmental changes in desiccation tolerance and antioxidant system. 以发育中的玉米胚为材料,研究了玉米胚脱水耐性的发育变化及其与抗氧化系统之间的关系。
Identical twins form when a single fertilized egg in the mother's body divides into two embryos. 当母体内的受精卵分裂成两个胚胎时,就形成了同卵双胞胎。
Chick embryos have well-characterized stages and are a valuable model for examining vertebrate development. 鸡胚发育的阶段性具有明显的特征,是研究脊椎动物发育的很有价值的模型。