
A.神经性耳聋的遗传方式为常染色体隐性,腓骨肌萎缩症的遗传方式为伴X染色体显性 |
B.Ⅳ19的致病基因只能来自于Ⅱ5或者Ⅱ6 |
C.Ⅲ13的基因型为BbXDXd或BBXDXd |
D.V22与V23婚配,他们后代中出现不患病女孩的概率是7/16 |

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

