allelic variation的用法和樣例：
例句
- The causes of the gender difference in autism are the genetic variation or the inherent factors of neurobiology.
這種性別差異的原因，顯示自閉症的發症有其基因變異，以及神經生物學遺傳因素所存在。 - That doesn't mean that people with the FTO gene variation are destined for obesity, or that other genes aren't also involved.
這並不意味著人們認定與基因變異註定肥胖，或其他基因也沒有涉及。
