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【单选题】

A mutation (is result) of a definite biochemical (change) in a gene that causes the offspring to vary in (some) characteristic (from) the parents.
A.is result

B.change
C.some
D.from
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根据网考网移动考试中心的统计,该试题:

50%的考友选择了A选项

0%的考友选择了B选项

37%的考友选择了C选项

13%的考友选择了D选项

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