Sex determination is a complex regulatory process of early embryogenesis. Embryo must make a developmental decision to develop as a male or female during gonadogenesis.

• 性别决定是一个复杂的发育调控过程,早期胚胎发育过程中,雌雄二者必居其一的发育选择是胚胎性腺形成必须的发育决定。