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. 2022 Mar 20;23(6):3350. doi: 10.3390/ijms23063350

Figure 3.

Figure 3

Schematic DNA methylation dynamics occurring during germ cell specification and embryo development. During mammal development, two waves of global demethylation occur: after fertilization and before PGC differentiation. Each step depicted in this figure may be a target for EDC with an impact on the DNA methylation profile, which may in turn affect the health of subsequent generations. PGC: primordial germ cells.