受精卵中性染色体组成 | 发育情况 |
XX、XXY | 雌性,可育 |
XY、XYY | 雄性。可育 |
XXX、YO(无X染色体)、YY | 胚胎期致死 |
XO(无Y染色体) | 雄性,不育 |
A.亲本白眼雌果蝇最多能产生4种类型的配子 |
B.F1中红眼雌果蝇的基因型为XAXa、XAXaY |
C.F1中雌果蝇产生Xa配子的概率为1/3 |
D.F2中雌果蝇的基因型最多有5种可能 |

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

