A.将2个5cm蓝色橡皮泥条扎在一起,模拟1个已经复制的染色体 |
B.将4个8cm橡皮泥条按同颜色扎在一起再并排,模拟1对同源染色体的配对 |
C.模拟减数分裂后期I时,细胞同极的橡皮泥条颜色要不同 |
D.模拟减数分裂后期II时,细胞一极的橡皮泥条数要与另一极的相同 |
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