已知果蠅複眼細胞的細胞核中有8條染色體,請問其卵細胞在形成的過程中,遺傳物質的含量變化應為下列何者?
七下自然1-1細胞分裂、減數分裂

Quiz
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Biology
•
7th Grade
•
Medium
白 皮
Used 15+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖為某一種細胞的分裂過程,則下列四項敘述中,哪一項為正確說法?
此分裂過程中,染色體複製兩次
這是進行無性生殖時必經的過程
大多數動物的精子藉此分裂過程而產生
人的受精卵經此過程形成胚胎
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關同源染色體的敘述何者為非?
大小、形狀相似
在生殖細胞中成對存在
一條來自父親,一條來自母親
在減數分裂時會互相分離
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一過程不經過細胞分裂?
修補受傷組織
更新衰老細胞
遞補脫落的細胞
產生生殖細胞
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖為某細胞的染色體圖,下列哪一組為同源染色體?
甲乙
甲丙
甲丁
乙丁
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關此細胞的敘述,下列何者錯誤?
為體細胞
具有成對染色體
屬於雙套染色體
乙、丙染色體均來自父親
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖為人類某對染色體示意圖,圖中哪一個步驟,可使染色體數目倍增?
甲
乙
丙
甲乙
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