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.

• 摘要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。