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单词
bottleneck effect
释义
bottleneck effect
Encyclopedia
农学
选择瓶颈效应
释
bottleneck effect
选择瓶颈效应
由于人工选择导致某个物种种群数量骤降,群体的等位基因频率发生急剧改变,使遗传多样性水平降低的现象。
理学
遗传漂变
释
bottleneck effect
瓶颈效应
由于各种因素导致的种群规模在短时间内急剧减少,从而使遗传多样性发生较大改变的现象。遗传漂变的一种特殊表现形式。
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