parallel variation

例句：

1. 1.The geneticists found that the parallel variation in the genomes of different species was responsible for their unique characteristics.
   遗传学家发现，不同物种基因组的平行变异是它们独特特征的原因。
2. 2. In the study of evolution, parallel variation is often used to explain how similar traits can evolve independently indifferent populations.
   在进化研究中，平行变异常被用来解释相似特征如何在不同的群体中独立演化。
3. 3. The discovery of parallel variation has led to a better understanding of how natural selection shapes the diversity of life on Earth.
   平行变异的发现有助于更好地理解自然选择如何塑造地球上生命的多样性。