
(2) Ⅲ组的繁筑结果表明脱毛、有毛性状是由
(3) Ⅳ组的繁殖结果说明,小鼠表现出脱毛性状不是
(4)在封闭小种群中,偶然出现的基因突变属于
(5)测序结果表明.突变基因序列模板链中的I个G突交为A,推测密码子发生的变化是
A.由GGA变为AGA | B.由CGA变为GGA |
C.由AGA变为UGA | D.由CGA变为UGA |

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

