Review of epigeneticsEpigenetics refer to Epi uponGenetics gene related studiesHence, while no structural change, there are functional alterations; according to Magge(2017), for some conditions identical twins can be discordant and these can be attributed to epigenetic modifications \cite{28060197}. You can search Google to find more instances. Study the following table.Table of EpigeneticsCondition Epigenetic Modification XXX Long tail RNA YYY Methylation