DISCUSSIONS IN CYTOGENETICS by  CHARLES R. BURNHAM

Copyright 1962 by C.R. Burnham, reproduced from the hand-annotated sixth printing, 1980

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Cover, Dedication, Foreword, Table of Contents

CHAPTER 1. INTRODUCTION (pages 1-19)
Linkage Information
Chromosome morphology, The relation of morphological features to genetic information
Special consequences of differences in gametogenesis in higher plants and animals, Behavior of univalent chromosomes, Genetic control of chromosome behavior, Supplement to Chapter 1

Section I. Structural Changes in the Chromosomes
CHAPTER 2. DEFICIENCIES AND DUPLICATIONS (pages 20-33)
Types of structural change, Duplication: origin and breeding behavior, Phenotypic effects, Other sources, Deficiency: genetical and cytological tests, Phenotypic effects
Phenotypic effects, Behavior of deficiency homozygotes, effects of duplications and deficiencies on crossing over, possible uses, Supplement to Chapter 2

CHAPTER 3. INVERSIONS (pages 34-65)
Types, Expected results of crossing over in inversion heterozygotes, Cytological behavior of bridges and fragments
Crossing over and sterility in paracentric inversions in Drosophila
Interchromosomal effects on crossing over
Genetics of paracentric inversions in maize and in other plant species, Genetics of pericentric inversions in Zea and Drosophila, Methods of locating break points, Frequencies of inversions in Drosophila, Inversions in wild populations
Possible uses of inversions

CHAPTER 4. INTERCHANGES (pages 66-116)
Semisterility and the interchange hypothesis, Behavior in pachytene and later stages
Orientations at meiosis and the kinds of segregation
Interchange heterozygotes with low sterility, Effect on crossing over, Aberrant crossing over, Methods of detection
Methods of identifying the chromosomes involved, Origin and occurrence, Break positions and frequencies
Viability of homozygotes, Position effects, Special types of interchanges
Pure breeding types with extra chromatin material, Values and uses
Supplement to Chapter 4

CHAPTER 5. OENOTHERA CYTOGENETICS (pages 117-138)
Breeding behavior, Chromosome behavior at meiosis, Survey of the genetical peculiarities (effects on breeding behavior)
Other consequences of the interchanges, Extra-chromosome mutants, Steps in defining the seven chromosomes and their ends, Chiasma frequencies
Chiasma frequencies, Linkage studies, Taxonomy, Large rings in other genera of the Onagracea, Llarge rings in other families, Explanations for the Oenothera-type behavior

Section II. Changes in Chromosome Number
CHAPTER 6. ANEUPLOIDY (pages 139-167)
Mutants with atypical behavior, Terminology, Phenotypes of trisomics in Datura
Origin and sources of the various types of trisomics, Factors affecting transmission
Observed breeding behavior of the various types
Trisomics in other species
Genetic ratios, Special uses of aneuploids, Supplement to Chapter 6

CHAPTER 7. AUTOPOLYPLOIDY (pages 168-202)
Terminology, Occurrence, General characteristics, Autotriploids
Autotetraploids, Polyploidy in animals
Polyploidy in animals, Haploids and monoploids, Monoploids and the production of homozygous diploids
Theoretical genetic ratios for a single locus
Ratios in terms of double reduction frequency (alpha), Genetic data
Linkage in autopolyploids, Supplement to Chapter 7

CHAPTER 8. ALLOPOLYPLOIDY (pages 203-250)
Terminology, Origin and general behavior, Evidence of homologies between chromosomes
Identification of probable parents, Behavior of univalents, New characters from interspecific hybrids, Secondary pairing, Polyploidy and apomixis
Theoretical genetic ratios, Data on genetic segregation
Aneuploidy in allopolyploids: aneuploids in Nicotiana tabacum, Aneuploids in wheat, Triticum vulgare
Speltoids and fatuoids and related behavior in wheat and oats, Identification of chromosomes belonging to the different genomes, Identification of homoeologous sets of chromosomes
Special methods of locating genes
Monosomics in practical breeding, Other uses, Supplement to Chapter 8

CHAPTER 9. APPLICATIONS OF POLYPLOIDY (pages 251-270)
Duplication, Autopolyploidy, Allopolyploidy
Allopolyploidy, Haploidy, Colchicine effects other than polyploidy
Methods of obtaining duplications, Methods of obtaining individuals with doubled chromosome numbers

Section III. Special Topics
CHAPTER 10. SEX DETERMINATION (pages 271-294)
Sex chromosomes in animals, Sex chromosomes in plants, Methods of determining the heterogametic sex
Sex expression, Theories of sex determination, The sex of haploids, Sex-limited characters
Sciara, Trimonoecious species of plants, Bisexual species, Male sterility, Cytoplasmic male sterility
Sex ratios, Physiological aspects of sex expression, The evolution of dioecism, Concluding statements

CHAPTER 11. APOMIXIS (pages 295-301)
Terminology, Vegetative reproduction, Agamospermy, Methods of determining the mode of reproduction, Apomixis and plant breeding, Concluding statements

LITERATURE CITED (pages 303-353)
A, B
C, D, E
F, G, H, I
I, J, K, L
M, N, O
O, P, Q, R
S
T, U, V, W, X, Y, Z
Literature Cited In Supplements
Appendix I
Appendix II
Index


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