Freedom in the genes.

Presented by Dr. David Suzuki, University of British Columbia. Genetic inheritance; comparison of identical and fraternal twins; Eugenics Movement of 1920s and 1930s; fruit flies used in genetic research and Dr. Tim Tully's experiments at Cold Spring Harbour; wolf genes present in sheepdogs; mice behaviour experiments at the Jackson Laboratory in Barharbour, Maine; observational learning in animals leading to their survival; Vancouver Island Quagil Indians perform heritage of song and dance; Dr. Kenneth Kendlar uses twins to investigate interaction between genes and environment; Professor Rob Collins' theory that chance may be determining factor in how far we are influenced by our genes.