2020 Shanghai Question 8 Single-choice Differentiating 2020_上海 Paper 8.A(抗病)对 a(不抗病),B(高杆)对 b(矮杆),亲本为 AAbb 与 aaBB,杂交后得到 F1,对F1、测交,子代中,矮杆抗病的个体的基因型为( ) A. AaBbB. AabbC. AAbbD. aabb Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →