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1. The geneticist calculated the phenotypic ratio of the offspring to determine their potential for success.
遗传学家计算了后代的表型比率，以确定他们成功的可能性。
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2. In ecology, the phenotypic ratio is a measure of how many individuals are carrying beneficial traits compared tothose carrying harmful ones.
在生态学中，表型比率是一个衡量携带有益特征的个体与携带有害特征的个体数量的比例。
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3. The study found that the phenotypic ratio of males to females in the population was significantly different from that in previous generations.
研究发现，该种群中雄性与雌性的比例与前几代显著不同。