In nematodes, TRA-1 represses the transcription of genes involved in male differentiation, allowing XX animals to undergo normal hermaphrodite development. New reports show that this transcription factor also acts in XO males, to control the differentiation of many neurons.

中文翻译：

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性别确定：TRA-1是性身份的非二进制调节器。

在线虫中，TRA-1抑制与雄性分化有关的基因的转录，从而使XX动物经历正常的雌雄同体发育。新的报道表明，这种转录因子在XO雄性中也起作用，以控制许多神经元的分化。