2个抗虫棉的外源<i>Bt</i>基因分子鉴定及其染色体定位

2个抗虫棉的外源Bt基因分子鉴定及其染色体定位

周向阳,赵亮,狄佳春,陈旭升

Molecular identification and chromosomal mapping of exogenous Bt gene in two insect-resistant cotton varieties

Xiang-Yang ZHOU,Liang ZHAO,Jia-Chun DI,Xu-Sheng CHEN

图3 美国Bt基因的PCR扩增
M: DNA marker; P₁: 胜利1号; P₂: 33B; F₁为杂交一代, 1至33为F₂代分离群体的部分单株。

Fig. 3 PCR amplification of Bt gene from USA
M: DNA marker; P₁: V-1; P₂: 33B; F₁ for hybrid generation, 1 to 33 for partial plants in F₂ segregation population.