duplicate disomic gene 重复二体基因
In other words, mutations arise that have little if any effect, such as a duplicate gene.
换句话说，变异的出现不会产生任何影响，比如某个基因的重复复制。
On the basis of the charecteristics of the duplicate gene expressions (pleisiomorphy), it is regarded as a primitive species in Catostomidae.
并根据重复基因表达（祖征）情况，认为它应属于较原始的种类。
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