
翰林國中自然1下ch2-3突變與遺傳疾病
Authored by 翰林出版國中自然 翰林出版國中自然
Biology
7th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於基因突變的敘述,下列何者正確?
突變的基因一定不會遺傳給後代
只要是突變,一定是有害的
基因自然突變的機會很小
一定都是顯性突變成隱性(A→a),不可能隱性突變為顯性(a→A)
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
紫外線會造成基因突變,下列有關突變的敘述,何者正確?
常照射紫外線,必增加生物抗體的產生
突變是生物的遺傳物質發生改變
一般來說,基因突變的機會很高,有利新品種的產生
生物可以因突變產生適應環境的新個體,所以大部分突變是有利的
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
如圖為花的雌蕊構造圖,何處受X光照射後,有可能將此突變基因遺傳給下一代?
甲
乙
丙
丁
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
懷孕婦女因長期抽菸導致產生的胎兒為畸型兒,請問此一現象應屬於何者?
遺傳變異
自然突變
人為誘變
異常突變
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有關基因突變的敘述,下列何者錯誤?
自然突變的機率很低
突變後的生物對環境的適應力均較佳
多接觸X光、核輻射、亞硝酸鹽等會誘發細胞突變
人類常利用生物的突變進行品種改良
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
謝坤山因為誤觸高壓電導致雙手截肢,請問這對其後代遺傳上有何影響?
他的小孩也會遺傳到沒有手
對他的後代遺傳上沒有影響
可能出現隔代遺傳到沒有手
是一個隱性基因突變會遺傳給後代
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
將一隻果蠅的長翅(基因型為AA)剪成短翅,再與另一隻短翅的果蠅交配,若沒有發生突變,則其產生的子代性狀與其比例應為下列何者?
均為長翅
均為短翅
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