The Human Genome Project, the most ambitious biological research program ever undertaken, was born in controversy. Heralded by its more enthusiastic proponents as a quest for the 'Holy Grail of biology' - and the key, ultimately, to the treatment of a variety of hereditary diseases - it has as its initial goal the mapping of all the genes in the entire three-billion-letter genetic code embodied in the DNA of a typical human cell. A major factor in the counterarguments of its opponents: its projected cost, estimated to run into the billions of dollars, spread over 10-20 years. In this...