epigenetic regulation of gene expression epigenetic programming of gene expression https://github.com/geneontology/go-ontology/issues/26951 post-fertilization epigenetic regulation of gene expression DNA methylation involved in embryo development de novo DNA methylation GO:0043045 biological_process A epigenetic process that happens during embryonic development that modulates gene expression potential at later stages of development of the organism, including the adult. Epigenetic regulation takes place via chromatin remodeling either by modifying higher order chromatin fiber structure, nucleosomal histones, or cytosine DNA methylation. epigenetic regulation of embryonic gene expression