单倍体
- 与 单倍体 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The clinic studies show that Jujing Pill can increase obviously the spermatozoa's density of the oligospermatism patients and the astheno-spermia's spermatozoas's energy,live ratio,the forward moving speed;decrease the deformed spermatozoa's ratio of the deformity of sperm;increase obviously the percentage of normal monoploid spermatozoas in the male infertility patients;decrease the percentage of the abnormal polyploid spermatozoas.
临床研究表明,聚精丸能明显增加少精子症患者的精子密度,提高弱精子症的精子活力、活率及精子向前运动速度,降低畸形精子症患者的精子畸形率,显著提高男性不育症患者精液中正常单倍体精子的百分率,降低异常的多倍体细胞的百分率。
-
By removed ovary culture after positive and negative hybridization, produced interspecific hybridization, and have improved the hybrid seed through removed ovary culture and induced to shoot by culture medium MS, and produced hybrid F1, the plant of Brassica junce×B.pekinesis, the advantage characteristic of hybrid plant is similar to female nature;By cytology authenticating, chromosome number of F1 young flower bud cell (2n=28), it is the sum of monoploid chromosome number of female parent Brassica junce(2n=36) and male parent B.pekinesis(2n=20); The hybridization to Brassica junce×B.pekinesis, and embryonic bud come from removed ovary culture, and it found another form of plant embryo saving.
以芸薹属植物芥菜型油菜和白菜为研究对象,对其进行常规正反杂交后子房的离体培养,通过离体子房培养获得的杂种种子经MS培养基诱导成苗,获得了芥菜型油菜与白菜的杂种F1代植株,表现出杂种优势;通过细胞学的方法,鉴定了杂种F1幼蕾体的细胞染色体数为2n=28,为母本芥菜型油菜(2n=36)和父本白菜(2n=20)的单倍体染色体数之和;芥菜型油菜与白菜常规杂交后,经离体子房培养获得了&胚性芽&,确立了植物胚挽救的另一种形式。
- 推荐网络例句
-
She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了,但同意作为朋友相处。
-
If in the penal farm, you were sure to be criticized.
要是在劳改农场,你等着挨绳子吧!
-
Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。