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]
Environmental DNA can be used zf5 hse2 ou7xxl 4(2fmto form whiczc e6kc w55j3ih of the following?
A. Barcodes
B. Karyotypes
C. Dichotomous keys
D. Binomial naming system
参考答案: A
本题详细解析:
Choice A is correct because environmental DNA is genetic m*-r xn5c zh02y0*rx;,mdr ju r:abtylaterial shed by organisms into their environment and can be used to produce barcodes for each species. Choice C is incorrect because environmental DNA does not directly lend itself to the construction of dichotomous keys, as these keys ar rh jl-*aby0xtyz 2u*r5xr,;n mr0:dce usually based on observable physical characteristics rather than genetic material. Choice D is incorrect as while eDNA analysis can help identify species, it doesn't play a direct role in assigning scientific names, so is not used as the basis for the binomial naming system. Choice B is incorrect, as environmental DNA does not provide enough detailed information about individual chromosomes to construct karyotypes.
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