受精卵

Fraternal twins are biovular.

二卵双胞胎是源于两个分开的受精卵的。

In this study, nine aspects had been carried out, which included the condition optimization of inducing silkworm asexual reproduction; the effective technique of obtaining unfertilized eggs from virginal moth; the investigation of asexual reproductive genetic resources on bivoltine silkworm races; the creating of bivoltine female asexual reproductive lines; the genetic effect analysis of silkworm asexual reproductive character; the eggs protein study on different female lines; growing and developing comparison between asexual reproductive line and its sexual parent; RAPD study on asexual reproductive character; the utilization of asexual reproductive lines.

本论文主要研究内容包括：家蚕无性繁殖诱导条件的优化；从家蚕处女蛾获取未受精卵的实用技术研究；二化性家蚕品种无性繁殖特性的遗传资源调查；二化性雌蚕无性繁殖系的构建；家蚕无性繁殖性状的遗传效应分析；家蚕无性繁殖品种的蛋白质研究；家蚕无性繁殖品种与其两性亲本生长发育对比研究；控制家蚕无性繁殖性状的基因的RAPD分子标记探索以及家蚕无性繁殖系的利用研究等九个方面，取得的主要结果如下

The best survuval rate of each stage thawed-embryos existed in groups of Zygote EDT3O-two-step method with I mm equilibration(66%), of Morulae EDT3O-two-step method with I mm equilibration(94%) and EDT4O-two--step method with 0.5 mm equilibration(94%), of Blastocyte EDT3O-two-step method with I mm equilibration(91%) and EDT4O-one-step method with I mm equilibration(91%).

总之，我们的研究表明，DET玻璃液冷冻方法是简单、经济而又高效的，冷冻小鼠各阶段胚胎都能获得较高的存活率，其中受精卵的EDT30二步法1分钟平衡组(66％)、桑椹胚的EDT30二步法1分钟平衡组(94％)和EDT40二步法0.5分钟平衡组(94％)、囊胚的EDT30二步法1分钟平衡组(91％)和EDT40一步法1分钟平衡组(91％)冷冻效果最好。

Clone the embryonated egg and is used for measuring various hereditary diseases, the fetus of the development among embryo and uterus that clone

将受精卵克隆用于检测各种遗传疾病，克隆的胚胎与子宫中发育的胎儿遗传特征完全相同。

A new treatment that requires more testing is fimbrial expression, when the fertilised egg is milked out of the end of the fallopian tube.

一种新的治疗需要进行更多的测试是菌毛的表达，当受精卵是 milked 出于年底输卵管。

There was a center zone of dense yolk substance in the zygote, and fingerlike yolk column were given off from the center zone, and varying size yolk granules filled in the yolk column.

受精卵有致密的中心区，由此向周围发散出呈指状突起的卵黄柱，卵黄柱内充满大小不等的卵黄颗粒。

To examine the effect of photoperiods on sexual reproduction of sea weed Hizikia fusiformis Okamura, receptacles were collected and incubated in three different light periods.

对羊栖菜的生殖托在不同光照周期条件下进行离体培养，观察卵细胞的释放与受精情况，以及受精卵的发育情况，以探讨光照周期对其有性繁殖过程的影响。

The results indicated that GFP gene expression began at the end of gastrula stage, and lasted to fry at a stable expression level.

采用显微注射法将报告基因GFP基因导入蓝太阳鱼受精卵中，研究了外源基因在鱼类胚胎发育过程中整合与表达的时序。

It showed that in conditions of water temperature 20～21℃,salinity 20～30,pH 8.0～8.3,the fertilized eggs developed to 2-cell in about 2h,blastula stage in about 15h,gastrula stage 30h and the hatched out larva 152h after fertilization.

其结果表明：在水温20-21℃、盐度20-30、pH值8.0-8.3的条件下，受精卵受精后2h为2细胞期、15h为囊胚期、30h为原肠期、55h为胚体期、152h孵出仔鱼

In this study, we investigate how the cell cycle coordinates gastrulation cell movements in zebrafish.

一方面是细胞分裂/细胞周期，通过无数次的细胞分裂，胚胎发育从一个单细胞受精卵发育为多细胞成体。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。