Which of the following statements about epigenetics is true?
◦ Epigenetic changes are only one of many ways that experience can modify DNA expression.
◦ Epigenetic findings are rejected by most developmental scientists because they contrast with traditional views of heredity and environment.
◦ Epigenetics has proven that there is no biological mechanism through which experiences can affect gene expression.
◦ Through over a century of research, epigenetics has contributed substantially to the body of developmental knowledge.