Preface
Unit 1. When does human life begin?
An overview of human development
Philosophical, theological, and scientific arguments
Unit 2. Should assisted reproductive technologies be regulated?
Fertilization and assisted reproduction
Safety and ethical issues
Unit 3. Should we select the sex of our children?
The genetics of sex determination
Arguments for and against sex selection
Unit 4. Should we allow humans to be cloned?
The science of cloning
Ethics and policies for human cloning
Unit 5. Should we use stem cells to repair the body?
Regenerating deficient organs through stem cells
Ethical dilemmas in stem cell therapy
Unit 6. Should we modify the human genome?
Gene therapy
Should we allow the genetic engineering of humans?
Unit 7. New perspectives on old issues
What is "normal"?
Genetic essentialism
The ethics of animal use in research
Glossary.