A.果肉表现酸味,因甲是接穗,果皮和果肉细胞基因来自于甲开花的子房壁发育而来 |
B.果肉可能表现出甜的味道,因为授以乙的花粉,种子里可能有A基因 |
C.人工授粉受精后产生的受精卵将来发育成种子 |
D.果肉表现出甜的味道,因为乙砧木吸收了土壤中的水分和无机盐营养物质 |
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