(1)有色羽毛家鸡的基因型为
(2)若用EEiiZbZb与eeiiZBW交配,F1代个体的表现型为
(3)用纯合芦花公鸡与纯合母鸡作为亲本杂交,若在F2代才能获得纯合芦花母鸡,则亲本的基因型组合有
(4)如果某家鸡群体中,Ⅱ基因型频率为60%,ii基因型频率为10%,那么该群体中i基因的频率为

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

