
1-1細胞分裂
Quiz
•
Biology
•
7th Grade
•
Practice Problem
•
Medium
Carrie Kan
Used 4+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
生物進行減數分裂的主要目的為何?
增加子代對環境的適應力
複製同源染色體
維持有性生殖子代染色體的數目不倍增
保存親代的特徵。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
人類細胞中的染色體通常兩兩成對且大小、形狀皆相似,一條來自父親,一條來自母親。請問這些成對的染色體稱為什麼?
複製染色體
同色染色體
同源染色體
親代染色體
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個是卵細胞,另一個是骨細胞。請問卵細胞與骨細胞內的染色體套數應該分別是哪一種?
n;n
n;2n
2n;n
2n;2n。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某生物有甲、乙兩類細胞,其染色體分別如圖所示。下列對甲、乙兩類細胞的敘述何者正確?
甲細胞染色體與乙細胞染色體完全不同
甲細胞染色體的套數為乙的兩倍
甲、乙兩類細胞均勻分布在各器官中
甲、乙兩細胞中均有成對的同源染色體
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為某生物的肌肉細胞染色體。請問下列何者可表示精細胞中的染色體?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一細胞,其內有染色體 4 對,經過五次細胞分裂可產生 X 個細胞,每個細胞內有 Y 條染色體,則 X-Y=?
56
24
16
8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖為人體內某種細胞形成時,一細胞染色體數目在細胞分裂過程中變化的情形,下列敘述何者正確?
此種細胞為生殖細胞
由此可知,人類的成熟精子細胞有 23 對染色體
此種細胞的染色體數目與肌肉細胞的染色體數目相同
此種細胞的分裂過程中,經過兩次染色體複製
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