Classroom Resources

This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

This animation zooms into a coral reef to explore the tiny animals that build reefs, the photosynthetic algae inside their cells, and the damaging process of coral bleaching.

This animation shows how HIV infects a cell and replicates itself using reverse transcriptase.

This animation gives an overview of how a fertilized human egg develops into an embryo.

This animation shows how zebrafish can rapidly heal wounds to the heart.

This animation shows how salamanders can replace missing limb tissues with the help of cells similar to stem cells.

This animation shows how recombination occurs between the X and Y chromosomes, then within the Y chromosome itself.

This animation shows how bacteria can transfer genes to each other.