multi-gene的用法和樣例：
例句
- In advanced breeding programs, parental differences and variability in hybrid progeny may largely reside in multiple gene systems.
在當代的育種計劃里，親本的差異和雜種後代的變異，可能絕大部分都屬於多基因系統。 - Gene Mapping of human diseases, especially the complex genetic diseases, has been the difiiculty and hotspot in medical genetics and gene study.
人類疾病，特別是多基因遺傳病相關基因的定位，是目前醫學遺傳學和基因研究中的難點和熱點。
