名詞 operon:

1. a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene

op.er.on

n.（名詞）
A unit of gene activity consisting of a sequence of genetic material that functions in a coordinated manner by means of an operator, a promoter, and one or more structural genes.
操縱子：一個由一系列基因物質(zhì)組成的基因活動單位，它的作用是通過DNA中的染色體、促進劑和一個或多個有機基因來調(diào)制類型

來源：
oper(ator)
oper(ator)
-on
-on