本题目来源于试卷: Unity and Diversity A.6 Diversity of Organisms，类别为 IB生物学
[单选题]
Which of the followi(quc,up m28 ygng statement(s)k)vmt +*91yoa fwv6u g is/are true for the genome?
I. The genome is all the genetic information of an organism.
II. Genomes within a species are identical in size.
III. Genomes within a species vary in base sequence.
A. I only
B. I and II only
C. I and III only
D. I, II and III
参考答案: C
本题详细解析:
The genome is all the genetic information in an organis6n bm- qy 8f)bf*oklv4m (Statement I). The base sequence can vary within a species due to single-nucleotide polymorphism (Statement III). Th4 8bq*b o6ylkv)m-n fferefore, Choice C is correct as it contains both true statements.
Choice A is incorrect as it only includes one true statement. The size of the genome within a species can vary within a species, this can be due to mutations, such as insertions and deletions, so Statement II is not true. Choices B and D are, therefore, incorrect.
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