以下为句子列表：
英文: However, the theory that magic is a dominant trait seems more likely since the prevalence of pure-blood elitism may very well have its genesis in a rational desire to preserve the magic gene in the wizarding population.
中文: 但魔法等位基因含有显性特征这一理论似乎可能性更大，因为纯血统至上主义者的普遍想法的发展过程可能是出于在巫师种族中维持魔法基因这一想法。
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