本题目来源于试卷: SL/HL Topic D1.3 Mutation and gene editing，类别为 IB生物学
[单选题]
3. Which of the following are regarded :gvww;x0cqa rmi3 ,b gh7*f4:g,zpoi as possible causes of mutations i12(0jtaahz fms-.vk0 ix ynf1n DNA?
I. Errors in DNA replication.
II. Mutagenic chemicals.
III. Advantageous traits in a parent.
IV. Some forms of radiation.
A. I and II only
B. II and IV only
C. I and III only
D. I, II and IV only
参考答案: D
本题详细解析:
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