本题目来源于试卷: Continuity and Change D.3 Mutations & Gene Editing，类别为 IB生物学
[单选题]
Which statement about mutations in germ v.cf1gw82ew *dqpvc jsye8e6s:dn3( and/or somatic 7 yve x h+ avx,dv;wcgh,s+i-4cells is correct?
A. Mutations in somatic cells can be inherited by offspring
B. Mutations in germ cells cannot increase the likelihood of developing cancer
C. Mutations in both somatic and germ cells can be inherited by offspring
D. Mutations in somatic cells can be acquired during a lifetime
参考答案: D
本题详细解析:
Somatic cells are all the cells in the body other than the gametes, which are germ cells. Therefore mutations in somatic cells can be acquired during a lifetime during DNA replication or via exposure to mutagens. Choice D is correct. Choice A is incorrect because germ cells are involved in fertilisation not somatic cells, so mutations in somatic cells cannot be inherited by offspring. Choice B is incorrect as mutations in genes such as oncogenes in germ cells can increase the likelihood of the offspring developing cancer. Choice C is incorrect as mutations in somatic cells cannot be inherited by offspring.
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