«Just as normal cells with the same genome differentiate into many different cell types, a single tumor characterized by specific genetic mutations can
contain many different types of cells — stem - like and more differentiated cells — with the difference being rooted in their
epigenetic information.
EPIGENETICS AND ANTIBIOTICS «Hidden Switches in the Mind,» by Eric J. Nestler, discusses
epigenetic changes — alterations to how genes behave that do not affect the
information they
contain.