How did the beginnings of genetic research influence the Nazi party? A thorough, engaging unit incorporates the work of Gregor Mendel, the study of inherited traits, and the use of racism and discrimination during the Holocaust.

This animated lesson will explain how genes are inherited in pairs, one from the mother and one from the father.

Is your room a mess? Does your nose have freckles on it like your mom's? Are your eyes the same color as your dad's? Which one of these things does not belong in lessons about heredity? Give these investigations a whirl while learning...