有些人有两种“长的”启动基因(一个是从一位双亲中遗传而来)，启动基因是一种减少神经元连接处的血清胺数量的组合体。

Some people had two "long" versions of the promoter gene (one inherited from each parent), a combination that reduces the amount of serotonin in the junctions between nerve cells.

youdao

有些人有两种“长的”启动基因(一个是从一位双亲中遗传而来)，启动基因是一种减少神经元连接处的血清胺数量的组合体。

Some people had two "long" versions of the promoter gene (one inherited from each parent), a combination that reduces the amount of serotonin in the junctions between nerve cells.

youdao