乳糖操纵子模型的建立与教学中若干问题的解析
邢万金

The establishment process of lac operon model and the analysis of several teaching problems
Xing Wanjin
图5 lacIlacZ部分二倍体
带有lacI+ lacZ-基因的F°进入基因型为lacI- lacZ+基因大肠杆菌细胞中,导致lacIlacZ基因成为二倍体。
Fig. 5 Merozygote of lacI and lacZ