
七下生物 2-3突變與遺傳疾病
Quiz
•
Biology
•
7th Grade
•
Practice Problem
•
Easy
TC C
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於突變的敘述何者錯誤?
自然突變的發生率很低
只有生殖細胞上的基因可能發生突變
照射過量的紫外線會增加突變機率
果蠅的無翅是突變
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知一隱性等位基因位於X染色體上。某對夫妻透過遺傳諮詢得知,在沒有突變的情況下,兩人將來所生的子女中,女兒必帶有此隱性基因,但兒子必無。根據諮詢的結果,推測此對夫妻的家族中,下列哪兩人的X染色體一定沒有此隱性等位基因?
夫及他的父親
夫及他的母親
妻及她的父親
妻及她的母親
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於突變的敘述何者錯誤?
自然突變的發生率很低
只有生殖細胞上的基因可能發生突變
照射過量的紫外線會增加突變機率
果蠅的無翅是突變
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
孕婦應避免照X光或服用化學藥品,是為了減少下列何種情形發生的機會?
改變子女性別
受精卵的基因突變
孕婦身體發生畸形
胎兒早熟
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小毛是醫院放射科的工作人員,因工作關係手臂經常受X光照射,於是他擔心手臂細胞中的基因會發生突變而遺傳到後代,但事實上這不會發生,其理由為何?
生殖細胞沒有受到X光的照射
小毛將不久於人世
X光對手臂上的細胞沒有影響
手臂上受傷的細胞很快死亡
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於遺傳和突變的敘述何者正確?
突變時常發生,而產生突變的個體均能適應環境之變化
細胞發生突變後都會傳遞給後代
X光、紫外線等可能會引發突變
突變大多對個體本身或其後代有利
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右圖是植物細胞的描繪圖,請依圖指出受X光照射會發生突變的基因位於哪一部分?
甲
乙
丙
丁
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