Human Heredity (1969)
Portland, Or. : E.C. Brown Trust Foundation. Made by Churchill-Wexler Films. Director, Robert Churchill; animation, Spencer Peel, Hal Clay. Author, Lester Beck.
21 min. sound. color. Converted from 16 mm.
Uses animation and live action in describing the roles of heredity and culture in determining the characteristics of human beings. Shows how the union of a sperm and egg cell joins chromosomes and genes from both parents. Discusses the hereditary factors which determine physical appearance and sex, the environmental factors which affect attitudes and behavior, the influence of dominant and recessive genes, and the difference between identical and fraternal twins.