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This animation shows how disrupting cellular processes in the intestines can lead to colon cancer.

This film describes natural selection and adaptation in populations of rock pocket mice living in the American Southwest.

This film explores the genetics and evolution of lactase persistence in humans.

This animation shows how human infants can digest milk using the enzyme lactase.

This animation shows how a mutation that allows adult humans to digest milk can be lost or spread under different circumstances.

This video explores the evolution of a stickleback fish population over tens of thousands of years, based on fossil data.

This animation shows how quickly an advantageous mutation can spread through a mouse population over multiple generations.

This animation shows how the PPAR-gamma receptor can activate fat storage and changes in hormone levels.

This video provides a demonstration of differences between sexual reproduction, which involves recombination through meiosis, and asexual reproduction, which does not.