Audience: Students; Grades: 4-8; Subject: Science. (2005) Explains the basic units of heredity by exploring the history and science of genetics. Introduces Gregor Mendel and Mendel's law, describing his genetic experiments with plants. Identifies the role of genes in determining inherited traits that are passed on to offspring. Discusses cross-breeding, pollination, and variation biology, and describes dominant and recessive traits. Program concludes with a ten-question video quiz. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfTnVVYkRjRXAxVUk&usp=sharing