A.控制叶形的基因有2对 |
B.F2中波状齿植株自交,每棵植株的F3均出现了锯齿植株,原因是AA死亡 |
C.锯齿剑形叶植株各自隔离种植并自交,自交后代能发生性状分离的植株所占比例是0 |
D.某条形叶植株测交后代中条形叶∶剑形叶=3∶1,则该植株的基因型是Bbcc |
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