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  3. (Due to) persistent inbreeding, self-pollinating plants (have) genetically more

(Due to) persistent inbreeding, self-pollinating plants (have) genetically more

游客2024-01-05  5
问题 (Due to) persistent inbreeding, self-pollinating plants (have) genetically more uniform than cross-pollinated plants,(which) harbor more genetic (variability).
选项 A、Due to
B、have
C、which
D、variability
答案 B
解析
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