Let us suppose that you are in________po
题型：选择题
问题：
Let us suppose that you are in________position of________parent.Would you allow your child
to do such a thing? [ ]
A. /; a
B. a; /
C. the; a
D. the; /
题型：选择题
下图表示转基因动、植物的成功培育过程有关叙述错误的是
A．①②过程依据的原理基本相同
B．受体细胞A、B均可为生物的体细胞
C．将目的基因导入受体细胞A的方法是显微注射法
D．可通过标记基因对受体细胞A、B 进行筛选