Explore Evolution

What mechanism can it be that results in the production of homologous organs, the same 'patterns' in spite of their not being controlled by the same genes? I asked this question in 1938, and it has not been answered.

Evolutionary biologist Gavin de Beer,
Homology: An Unsolved Problem (Oxford: Oxford University Press, 1971).

Table of Contents

Preface

v

Introduction

1

Defining Some Terms

7

Issues in Question

9

Universal Common Descent

Arguments For and Against

13

Fossil Succession

15

Case For

16

Reply

22

Further Debate

30

Anatomical Homology

39

Case For

40

Reply

43

Further Debate

49

Molecular Homology

51

Case For

52

Reply

57

Further Debate

61

Embryology

65

Case For

66

Reply

68

Further Details

70

Biogeography

73

Case For

74

Reply

76

Further Details

79

The Creative Power of Natural Selection

Arguments For and Against

81

Natural Selection

83

Case For

84

Reply

90

Natural Selection and Mutation

97

Case For

98

Reply

102

Further Details

108

A New Challenge

Arguments For and Against

114

Molecular Machines

115

Case For

116

Reply

119

Further Details

121

Special Studies

125

Natural Selection as
Survival of the Fittest

126

What Fossils Can't Tell You

128

Conclusion

141

The Nature of
Dissent in Science

142

Glossary

144

Selected Bibliography

149

Credits & Authors

154

Index

157