ANSWER
EpEpigenigeneticsetics significantly significantly impacts impacts the the nature nature vs vs.. nurture nurture debate debate by by showing showing that that genes genes and and environment environment interact interact dynamically dynamically.. It It reveals reveals that that environmental environmental factors factors ( (nnurturtureure)) can can influence influence gene gene expression expression without without altering altering the the underlying underlying DNA DNA sequence sequence.. For For example example,, stress stress,, diet diet,, or or trauma trauma can can “ “turnturn on on”” or or “ “turnturn off off”” certain certain genes genes,, affecting affecting behavior behavior,, health health,, and and development development.. This This supports supports the the interinteractionactionistist perspective perspective,, demonstrating demonstrating that that nature nature and and nurture nurture are are deeply deeply intertwined intertwined,, with with neither neither acting acting in in isolation isolation.. Ep Epigenigeneticsetics bridges bridges the the gap gap,, showing showing how how nurture nurture can can shape shape nature nature over over time time..