Appropriate for: high school biology (second year, AP, IB), advanced high school genetics elective, introductory college biology, college-level genetics

This advanced lesson describes how mutation is a key element in both the birth and death of genes. Students proceed through a series of PowerPoint slides that include background information, examples, and embedded video and animation links. Questions challenge students to synthesize information and apply what they learn regarding how genes are gained and lost through evolutionary time.