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.
Epigenetic mechanisms. Epigenetics is the study, in the field of genetics, of cellular and physiological phenotypic trait variations that are caused by external or environmental factors that switch genes on and off and affect how cells read genes instead of being caused by changes in the DNA sequence.pigenetic mechanisms. Epigenetics is the study, in the field of genetics, of cellular and physiological phenotypic trait variations that are caused by external or environmental factors that switch genes on and off and affect how cells read genes instead of being caused by changes in the DNA sequence.