S P R I N G B O A R D S F O R D E B A T E

SCOTT F. GILBERT

ANNA L. TYLER

EMILY J. ZACKIN

Sinauer Associates, Inc.

W. H. Freeman & Company

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UNIT 1 When Does Human Life Begin?CHAPTER 1 An Outline of Human Development 3

CHAPTER 2 Philosophical, Theological, and Scientific Arguments 31

UNIT 2 Should Assisted Reproductive TechnologiesBe Regulated?

CHAPTER 3 Fertilization and Assisted Reproduction 49

CHAPTER 4 Safety and Ethical Issues 71

UNIT 3 Should We Select the Sex of Our Children?CHAPTER 5 The Genetics of Sex Determination 83

CHAPTER 6 Arguments For and Against Sex Selection 95

Contents

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UNIT 4 Should We Allow Humans To Be Cloned?CHAPTER 7 The Science of Cloning 111

CHAPTER 8 Ethics and Policies for Human Cloning 125

UNIT 5 Should We Use Stem Cells To Repair The Body?

CHAPTER 9 Regenerating Deficient Organs through Stem Cells 143

CHAPTER 10 Ethical Dilemmas in Stem Cell Therapy 159

UNIT 6 Should We Modify the Human Genome?CHAPTER 11 Gene Therapy 179

CHAPTER 12 Should We Allow the Genetic Engineering of Humans? 199

UNIT 7 New Perspectives on Old IssuesCHAPTER 13 What Is “Normal”? 215

CHAPTER 14 Genetic Essentialism 227

CHAPTER 15 The Ethics of Animal Use In Research 241

Glossary 263

Literature Cited 274

Index 290

vi CONTENTS

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