balanced lethal

Analysis for the sex-controlled ability of the sex-linked and balanced lethal lines S-8 and S-14 on the Bombyx mori

性连锁平衡致死系S8、S14对桑蚕性别控制能力的测试分析

A Cross Breeding Method for Sex-linked Balanced Lethal Line of Silkworm

家蚕性连锁平衡致死系的杂交改良方法

This will be of benefit to constructing the balanced lethal system of Shigella.

这为以asd基因作为靶基因构建痢疾菌的载体宿主平衡致死系统创造了条件。

Research of sex determination is the basic foundation for insect sex control which can be efficiently controlled using balanced sex linked lethal genes, sex specific expression of domain lethal genes and male killing bacteria with the progress of gene engineering.

研究昆虫的性别决定是人们进行昆虫的性别控制的基础，随着基因工程的发展，人们可以利用性连锁平衡致死基因、性别特异性致死基因、杀雄微生物等多字方法对昆虫的性别进行控制。

Study on the Breeding of Male Silkworm Varieties Using Lethal Lines Balanced on Silkworm Sex Chromosome

利用性连锁平衡致死系进行雄蚕品种选育的方法研究

Objective To construct an attenuated Salmonella typhimurium vaccine strain expressing the gene EspA of EHEC O157: H7 with balanced lethal system.

目的利用平衡致死系统构建表达O157：H7EspA的减毒鼠伤寒沙门氏菌。

Utilization of λ-Red Recombination System and Balanced Lethal System to Reconstruct the Plasmid with Antibiotic Resistant Gene Using in Live Vaccine

利用λ-Red重组系统和平衡致死系统改造抗药性致腹泻工程疫苗