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]
The table shows factors that can result in c8)i6.kup/v)wdn6a-xew gh b speci0 asz(xkz ed s6b2rc6yw x)2:uation. Which word is matched to the correct definr6eaudk2:y bw 6sczs0x2 (x z)ition?
A. Word is Polyploidy ;Definition is Having two complete sets of chromosomes
B. Word is Sexual reproduction ;Definition is The combining of genetic information from two individuals
C. Word is Reproductive isolation;Definition is Species breeding to produce infertile offspring
D. Word is Mutations;Definition is Random changes to the amino acid sequence
参考答案: B
本题详细解析:
Choice A is incorrect because the definition of polyploidy is having mqh x8754 j8.noqi qsbhore than two complete sets of chromosomes. Choice C is incorrect, as reproductive isolation is the inability of closely related species to produce fertile offspring due to behavioural, temp5 jn.q4ishq 8xqb7oh8oral or geographical isolation. Choice D is incorrect, as mutations are random changes to the DNA base sequence.
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