Stand alone vs standalone Stand alone is an idiom meaning one who is unequaled or without peer, notice that the verb form is two separate words. 1 To 1 English native Teachers, the best way to improve your English! Click here to find out more!
From Wikipedia, the free encyclopedia. Epigenetics is the study of changes in gene activity which are not caused by changes in the DNA sequence. It is the study of gene expression, the way genes bring about their phenotypic effects.
But a burgeoning field known as epigenetics is showing that many cancers may not be caused by mutations in genes, but by chemical modifications that alter how the genes function. Such modifications to genes are epigenetic-literally on top of or related to changes in the DNA sequence.