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 factokzm 7j.h+h5gg,rsv +p rsd)jy -akc+/x ptxhb.8q q0y2shvu+7z that can result in speciation. Which word is matched to the correct definqca2hxp)+y +vbz jhydtq7s x0. /ku8- 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 polbh/1awb3(io+i e9ldss .u:hq yploidy is having more 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 behalq:i h 1/hb ods+ab9euiw.3(svioural, temporal or geographical isolation. Choice D is incorrect, as mutations are random changes to the DNA base sequence.
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