Includes bibliographical references and index.

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Front Cover; Advances in Genetics, Volume 14; Copyright Page; Contents; Contributors to Volume 14; Chapter 1. Recent Cytogenetic Studies in the Genus Nicotiana; I. Introduction; II. The Species; III. Euploidy; IV. Chromosome Pairing in Interspecific Hybrids; V. Allopolyploids; VI. Aneuploidy and Multiple Genomes; VII. Interspecific Recombination, Introgressive Hybridization, and Disease Resistance; VIII. Genetic Tumors; IX. Cytogenetic Instability in Species Hybrids; X. Cytoplasmic Inheritance: Male Sterility and Plastids; XI. Inheritance of Alkaloids; XII. Biometrical Studies.

XIII. MiscellaneousXIV. Summary; References; Chapter 2. The Genetics of Inbreeding Populations; I. Introduction; II. Theoretical Analysis of Genetic Models; III. Experimental Analyses of Polymorphisms; IV. Genetic Variability in Quantitative Characters; V. Responses to Selection; VI. Effect of Altering the Mating System; VII. Population Structure under Extreme Inbreeding: The Festuca microstachys Complex; VIII. Concluding Remarks; IX. Summary; References; Chapter 3. Position-Effect Variegation; I. Introduction; II. Cytogenetic Aspects; III. Position-Effect Variegation in the Mouse.

IV. Parental Modification of Variegated Gene ExpressionV. Variegation, a Model System for Simplified Studies in Developmental Biology; VI. Thoughts, Perhaps Themselves Too Variegated; References; Chapter 4. Genetic Activities of the Y Chromosome in Drosophila During Spermatogenesis; I. Genetic Studies of the Actions of the Y Chromosome on Male Fertility; II. Cytogenetic Studies of the Y Chromosome; III. Morphogenetic Effects of the Y-Chromosomal Loops in Spermiogenesis; IV. Conclusions; V. Summary; References; Chapter 5. Selective Fertilization in Oenothera.

I. Selective Fertilization in the Crosses Oe. bertericma X Oe. odorataII. Selective Fertilisation in Selfing of Oe. berteriana (B.l); III. Selective Fertilization in Selfing of Oe. odorata (v.l); IV. Selective Fertilization in Selfings of Oe. strieta (Istr.vstr) and of Oe. selowii (lse.vse); V. Selective Fertilization in Selfings of Oe. campyloculyx (ck.cl); VI. Changes in Affinities; VII. Affinities in Trisomic Mutants; VIII. Chemotropism of the Pollen Tubes; Appendix. Survey of the Strains Used in the Crosses; References; Chapter 6. The Genetic Code After the Excitement; I. Introduction.

II. The General Nature and Historical Background of the Genetic CodeIII. Codon Assignments; IV. Chain Initiation and Initiator Codons; V. Chain Termination and Nonsense Codons; VI. Ambiguity in the Genetic Code; VII. tRNA and Its Synthetase in Codon Recognition; VIII. The Universality and Evolution of the Genetic Code; References; Author Index; Subject Index.

ADVANCES IN GENETICS VOLUME 14.

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