Classroom Resources

This video describes how scientists silence different genes in regenerating planaria to study the process of regeneration at the molecular level.

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

This film explores the hypothesis that different tones of skin color in humans arose as adaptations to the intensity of ultraviolet radiation in different parts of the world.

This film explores the genetic and archaeological evidence that suggest that corn is the result of the domestication of a wild Mexican grass called teosinte.

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

This animation shows how meiosis, the form of cell division unique to egg and sperm production, can give rise to sperm that carry either an X or a Y chromosome.