Epigenetics Is Defined as the

Multiple Choice

Epigenetics is defined as the

A) concept that diseases have physical causes that can be diagnosed,treated,and cured.
B) study of environmental influences on gene expression that occur without a DNA change.
C) idea that individual characteristics combine with environmental stressors to increase or decrease the likelihood of developing a psychological disorder.
D) notion that disorders reflect genetic predispositions and physiological states,inner psychological dynamics,and social and cultural circumstances.