Hank explains that heredity is the passing on of genetic traits from parents to offspring. He makes mention to Gregor Mendel, who found that inheritance follows particular patterns.
Key Words: Classical Genetics, Chromosomes, Gene, Polygenetic Trait, Pleiotropic, Allele, Somatic, Diploid
Beakman explains that giraffes have long necks so they can eat leaves out of trees. He mentions that heredity has caused them to all have long necks. He then pretends to be Charles Darwin, who explains how natural selection caused the long necks in giraffes.