杂交组合 | P | F1 | ||
♀ | ♂ | ♀ | ♂ | |
甲 | 正常翅朱红眼 | 裂翅红眼 | 裂翅红眼:正常翅红眼=1:1 | 裂翅朱红眼:正常翅朱红眼=1:1 |
乙 | 裂翅红眼 | 裂翅朱红眼 | 裂翅红眼:裂翅朱红眼:正常翅红眼:正常翅朱红眼=2:2:1:1 | 裂翅红眼:裂翅朱红眼:正常翅红眼:正常翅朱红眼=2:2:1:1 |
(1)若要研究该昆虫的基因组,需要测定该昆虫
(2)红眼和朱红眼是该昆虫眼色的不同表现类型,属于
(3)正常翅和裂翅中,隐性性状是
(4)乙组F1的正常翅和裂翅的比例不为1:3,原因是

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

