Answer:
the ways in which gene expression is influenced by a person's environment
Step-by-step explanation:
Epigenetics may be defined as the field of study where one studies about the heritable changes in the gene expression which do not involve the changes in the underlying sequence of the DNA. It literally means above the genomes.
Scientist and researchers have delving into how human behavior and culture are affected by the DNA. Epigenetics is the study that correctly describes the ways in which the gene expressions are influenced by the individual's environment.