pleiotropy

例句：

1. 1. Pleiotropy is a term used to describe the phenomenon of multiple effects on a single gene or gene locus.
   多效性是一个术语，用于描述单个基因或基因座上多重效应的现象。
2. 2.Polygenic traits are those that result from the interaction of multiple genes, rather than from a single gene mutation.
   多基因性状是指由多个基因相互作用产生的，而不是由单个基因突变引起的。
3. 3. The study of polygenicity has led to the discovery of new drugs for treating various diseases.
   研究多基因性导致了发现治疗各种疾病的新药物。