Background and history -- Problems, controversies, and solutions -- Perspectives. Should we clone dinosaurs? / Sandy Becker ; Should breed registries accept clones? / Ryan Bell ; Cloning can turn yeast into a painkiller factory / Maria Costanzo ; Cloning for liver transplantation / Gina Hagler ; Extinct species should not be resurrected / Phill Jones ; Animal cloning / Yoo Jung Kim ; Cloning for species salvation: why not? / Pasqualino Loi and Grazyna Ptak ; Animal welfare concerns about cloning / Crystal Miller-Spiegel ; Can cloning save the honeybee? / Jeremy Summers -- Profiles -- Data and documents -- Resources for further research -- Chronology -- Glossary.
