
A.由实验一子代表型及比例可推测基因B/b位于常染色体上 |
B.实验二中雌性亲本的基因型为BBXAXa或BbXAXa |
C.若让实验一F1中圆眼长尾个体相互杂交,则子代表型及比例为圆眼长尾雌:圆眼短尾雌:圆眼长尾雄:圆眼短尾雄=12:4:9:3 |
D.由实验一、二的结果可推测含Xa的卵细胞致死 |

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

