TOC Front Cover 2 Advances in Genetics, Volume VIII 5 Copyright Page 6 Contributors to Volume VIII 7 Contents 9 Chapter 1. Metabolism and Spontaneous Mutations in Plants 13 I. Introduction 13 II. Spontaneous Mutability in Plants in Its Relation to Metabolism 15 III. Mutagenic Substances Occurring in Plants and Their Metabolic Fate 22 IV. Discussion 30 V. References 34 Chapter 2. The Complementary Genic Systems in Flax and Flax Rust 41 I. Introduction 41 II. Host 43 III. Parasite 44 Front Cover 2 Advances in Genetics, Volume VIII 5 Copyright Page 6 Contributors to Volume VIII 7 Contents 9 Chapter 1. Metabolism and Spontaneous Mutations in Plants 13 I. Introduction 13 II. Spontaneous Mutability in Plants in Its Relation to Metabolism 15 III. Mutagenic Substances Occurring in Plants and Their Metabolic Fate 22 IV. Discussion 30 V. References 34 Chapter 2. The Complementary Genic Systems in Flax and Flax Rust 41 I. Introduction 41 II. Host 43 III. Parasite 44 IV. Inheritance of Pathogenicity 46 V. Inheritance of Rust Reaction 48 VI. Genetics of Host-Parasite Interaction 50 VII. Differential Varietes with Single Rust-Conditioning Genes 55 VIII. Potentials of the Complementary Gene Hypothesis 59 IX. Summary 63 X. References 64 Chapter 3. The Genetic Structure of Races and Species in Gilia 67 I. Introduction 67 II. Genetic Systems Involved in Racial and Specific Differentiation 68 IV. References 96 III. Conclusions 96 Chapter 4. Chromosome Repatterning and Adaptation 101 I. Introduction 101 II. Linkage of Adaptive Gene Complexes 102 III. Balanced Heterosis 107 IV. Divergence in Gene Function 112 V. Organization Effect 113 VI. Summary and Conclusions 114 VII. Acknowledgments 116 VIII. References 116 Chapter 5. General Genetics of Bees 121 I. Introduction 121 II. Systematics 122 III. Cytology 125 IV. Artificial Insemination of Queen Honeybees 131 V. Genetics of Specific Characters of Apis mellifera L. 133 VI. Genetics of Bees Other than Apis mellifera L. 139 VII. Population Genetics 143 VIII. Evolutionary Features of Bees 146 IX. Acknowledgments 160 X. References 160 Chapter 6. Genetics of Ladybeetles 167 I. Introduction 167 II. Intraspecific Variation in Elytral Patterns 168 III. Geographic Variation in Elytral Patterns 171 IV. Breeding Experiments 173 V. Interspecific and Intersubspecific Hybridization Experiments 180 VI. Variations and Evolution in Harmonia and Adalia 182 VII. Conclusions and Remarks 193 VIII. References 197 Chapter 7. The Genetics of the Sheep 201 I. Introduction 202 II. Chromosome Number 203 III. Color and Pattern 205 IV. Horn Inheritance 215 V. Lethals, Semilethals, and Abnormalities 217 VI. Other Characters 223 VII. Fleece Characters 228 VIII. Growth and Body Conformation 242 IX. Fertility 247 X. Milk Production 252 XI. Selection Plans 253 XII. Inbreeding 256 XIII. Crossbreeding 259 XIV. Species Crosses 261 XV. Linkage 264 XVI. References 265 Chapter 8. Cytogenetics of the Tomato 279 I. Introduction and General Biological Considerations 279 II. Cytology 283 III. List of Known Mutant Genes 288 IV. Linkage 315 V. Ploidy 320 VI. Species Hybrids 329 VII. Quantitative Characters 336 VIII. Spontaneous and Induced Mutation 361 IX. Biochemical Genetics 365 X. Graft Relations 371 XI. Cytoplasmic Inheritance 377 XII. Concluding Remarks 379 XIII. References 383 Author Index 395 Subject Index 405 Show more