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人类早期胚胎的发育过程是一个复杂的过程,不同的发育阶段的营养需求及代谢类型是在不断变化,并且基因表达也有所转变。胚胎在由母型调节向合子型调节转变的过渡期间细胞水平和分子水平上都发生了一系列复杂的变化,调节着胚胎的发育进程。
The developmental process of human early embryos is a complex process. The nutritional requirements and metabolic types at different developmental stages are constantly changing and the gene expression is also changed. Embryos undergo a series of complex changes at the cellular and molecular levels during the transitional period from mother to zygotic regulation, which regulates embryonic development.