Epigenetics is fascinating because methylation is a basic read/write layer on top of static DNA - changes can appear in a living organism and propogate to offsp

Epigenetics is fascinating because methylation is a basic read/write layer on top of static DNA - changes can appear in a living organism and propogate to offspring. > Even short-term substance abuse can produce long-lasting epigenetic changes in the brain of rodents, via DNA methylation and histone modification. https://en.m.wikipedia.org/wiki/Behavioral_epigenetics https://en.m.wikipedia.org/wiki/Behavioral_epigenetics