PREVIEW: DNA, Genes, Cloning Strategies and Public Safety; BACTERIAL GROWTH: Microorganisms as tools for Gene Cloning; GENE EXPRESSION: Storage and Use of Information; REPRODUCING DNA: Information Transfer From one Generation to the Next; GENE SPLICING: Cutting and Rearranging Information Molecules in the Laboratory; PLASMIDS AND PHAGES: Submicroscopic Parasites as Cloning Tools; CLONING A GENE: Isolation of a Hemoglobin Gene; USING CLONED GENES: Determining Nucleotide Sequences, Walking Along DNA, and Binding Proteins to DNA; RECENT SURPRISES: A Sampling of New Perspectives in the Life Process; ADDITIONAL READING: APPENDIX I: ATTENUATION: A Type of Gene Regulation; APPENDIX II: TRANSMISSIBLE PLASMIDS: Moving Genes; APPENDIX III: CLONING WITH PLASMIDS: A General Method; Glossary; Index.