Teasing Out the Effects of Environment on the Brain - Dana Foundation - 0 views
-
Epigenetics is defined as the study of heritable changes in gene activity that are not due to changes in DNA sequence. Instead, they may be caused by “silencing” a gene, for example, rather than mutating it.
-
These changes remodel the architecture of the chromosomes, opening up a particular gene to the machinery that synthesizes protein, or closing it down, so that the gene is switched off.
