下列叙述错误的是( )
A.F1中多翅脉正常翅型野生眼色和正常翅脉卷曲翅野生眼色比例为1:1 |
B.若紫眼基因位于Ⅱ号染色体,可观察到 |
C.若紫眼基因不位于Ⅱ号染色体,可观察到F2中多翅脉正常翅型野生眼色:多翅脉正常翅型紫眼:正常翅脉正常翅型野生眼色:正常翅脉正常翅型紫眼=9:3:3:1 |
D.若PZ果蝇自交,子代E、G的基因频率不变,Ⅱ号染色体的组成也与亲本相同 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2