本题目来源于试卷: HL Topic D2.2 Gene expression，类别为 IB生物学
[单选题]
2. Which of the following can cause pxg3mlsf39u 8ihenotype difffyv z/ghflmk,iz5- 6 7erences between monozygotic twimvk/hy- fg 6 5z7fzl,ins?
I. Exposure to different environmental influences.
II. The genotype of the monozygotic twin.
III. Somatic mutations.
IV. Different methylation patterns between the twins.
A. IV only
B. I, III and IV only
C. II and III only
D. I and III only
参考答案: B
本题详细解析:
暂无
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