The correct response is:
B) Epigenetics is the study of how our environment can change the way our genes are expressed.
Epigenetics plays a significant role in the nature vs. nurture debate by illustrating how both genetic predispositions (nature) and environmental factors (nurture) can influence an individual's traits and behaviors. It highlights that while our genetic makeup provides a foundation, environmental experiences can modify gene expression, which in turn can affect physical and psychological characteristics.