Supergene A collection of closely linked genes that determine a particular trait or series of inter-related traits and behave as a single unit because crossing over between them is very rare.

• 超基因：一组紧密联系在一起的基因集合，它们共同决定一个生物特性或一系列内在相关的生物特性，由于内部很少发生交叉，故常被当作一个独立单位。