Play the role of a mother rat and lick your pup to see how your nurturing behavior shapes his epigenome. This interactive helps students visualize the nature vs. nurture debate.

Investigate the role the environment plays on gene expression through studies on identical twins. Contains video (4:41).

You've probably heard of Charles Darwin, but how did scientists before him form their theories about life, evolution, and extinction? Learn how different people in the seventeenth and eighteenth century tried to answer the question -...

Paul Andersen explains the concepts of genetics. He starts with a brief discussion of the nature vs. nurture debate and shows how epigenetics blurs this distinction. He explains how differentiation of cell types results from the...