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

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 the PPAR-gamma receptor can activate fat storage and changes in hormone levels.

This animation shows how the protein MECP2 helps switch off gene expression.

This animation shows how X chromosomes are randomly switched off in most female mammals.