An understanding of heredity launches a search for the mechanism that passes our physical traits from one generation to the next.
The discovery of the double helix opens new doors for science.
Genetic modifications boost the pharmaceutical and agricultural industries.
Unlocking our secret genetic code may lead to new cures for genetic diseases.
A Windfall Films Production for Thirteen/WNET New York in association with Channel Four.
© 2003 Educational Broadcasting Corporation. All Rights Reserved.