
细胞分裂
Quiz
•
Biology
•
10th Grade
•
Hard
TEY MIIN郑慧敏
Used 41+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
动物细胞进行分裂时,最先分裂的细胞器是
核仁
星丝
纺锤丝
中心体
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
体细胞进行分裂时,染色体套数=4n 的时期发生于
前期
中期
后期
末期
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
减数分裂只发生在
妊娠期
受精卵形成时
受精卵第一次分裂时
产生精子与卵子时
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在减数分裂的后期I,同源染色体______,着丝点_______
分开,分裂
分开,不分裂
不分开,分裂
不分开,不分裂
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在减数分裂过程中,同源染色体并排称为
交叉
平行
联会
互换
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
小新的体细胞进行分裂时,复制后的性染色体如图所示,
甲、乙各为其中一条染色体,问下列叙述何者不正确?
甲和乙为同源染色体
甲来自母亲的遗传,而乙来自父亲
小新应该是个男生
小新的口腔表皮细胞不具甲、乙染色体
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中显示人类精子的形成过程,甲:乙:丙:丁中的染色体比例是
1:1:2:2
1:2:2:1
2:1:1:2
2:2:1:1
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