表现型 | 白花 | 乳白花 | 黄花 | 金黄花 |
基因型 | AA---- | Aa---- | aaB_ _ _;aa_ _D_ | aabbdd |
请回答:
(1)白花(AABBDD)×黄花(aaBBDD),F1基因型是
(2)黄花(aaBBDD)×金黄花,F1自交,F2中黄花基因型有
(3)甘蓝型油菜花色有观赏价值,欲同时获得四种花色表现型的子一代,可选择基因型为
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