生物下冊回顧
Quiz
•
Biology
•
7th Grade
•
Practice Problem
•
Hard
蔡怡瑩 蔡怡瑩
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖為人類精子與卵結合為受精卵後,再由受精卵發育為新個體的過程。請問圖中甲、乙、丙的染色體分別為多少條?
23、46、23
23、23、46
23、46、46
23、46、92
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
竹子一般都是用地下莖進行無性生殖,而在壽命即將結束前才開花結果繁殖後代,這樣的好處可能為何?
結出較多的果實
無性生殖比較容易適應環境
竹子壽命將結束時能產生出較易適應環境的後代
無性生殖可讓後代有更多的變異
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
自然界中生物繁殖的方式有許多種,例如海參會行斷裂生殖、紅嘴黑鵯會築巢產卵、落地生根的老葉脫離母株後,老葉上能長出許多新的個體。在如此多樣化的繁殖方式中,下列何者是其共通的特點?
基因重組
受精作用
細胞分裂
減數分裂
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
耳垂分離的遺傳因子組合為 AA 或 Aa,耳垂緊貼的遺傳因子組合為 aa。若某人的耳垂緊貼,則其父母的遺傳因子組合不可能是下列何者?
AA ╳ Aa
Aa ╳ Aa
aa ╳ Aa
aa ╳ aa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小傑細胞內複製過後的性染色體如圖所示,則下列敘述何者錯誤?
甲為 X 染色體,乙為 Y 染色體
甲來自母親,乙來自父親
小傑的神經細胞中仍具有此對染色體
乙所具有控制遺傳性狀的基因較甲多
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一名孕婦至醫院進行產前檢查,醫生以一細長針由腹部穿刺入子宮內吸取約10~20mL羊水,羊水中有胎兒脫落的一些細胞,將這些細胞進行培養後,可分析胎兒的染色體。若得到胎兒的染色體圖如圖所示,下列敘述何者正確?
胎兒體細胞的體染色體數目為 23 對
胎兒的兩條 X 染色體皆來自母親
胎兒的性別為男生
胎兒患有唐氏症
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關複製羊與渦蟲的斷裂生殖之比較,下列何者錯誤?
兩者的子代與親代長的一模一樣
複製羊在體外進行受精
均為無性生殖
均有進行細胞分裂
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