HOX genes are involved in the development of the Mullerian system and then continue to be expressed in adult uterus.

• 在哺乳类HOX基因家族共39个基因,分A、B、C、D四簇位于染色体7,17,12,2的3’端到5’端,分别表达于胚胎的头部到尾部相对应的特定区域。