Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
You are given a list of terms and a definition. Come up with an example sentence using the term.

### Input:
Term: Epigenetics
Definition: The study of heritable changes in gene expression that do not involve changes to the underlying DNA sequence.

### Response:
Epigenetics has allowed researchers to understand the cellular and physiological effects of environmental factors on gene expression.