Cytogenetics of Aneuploids

CYTOGENETICS OF ANEUPLOIDS


Author:
GURDEV S. KHUSH
Published in: ACADEMIC PRESS
Release Year: 1973
ISBN: 0-12-406250- 4
Pages: 306
Edition: First Edition
File Size: 5 MB
File Type: pdf
Language: English



Description of Inorganic Chemistry


Ever since the first discoveries of trisomic Datura in 1915 and monosomic Drosophila in 1920, a great body of literature dealing with the aneuploids has been published. These studies have helped elucidate some of the most important principles of heredity. No wonder then that introductory and advanced courses in genetics and cytogenetics regularly devote several lectures to this topic. Because of the limitations placed by the number of other topics to be covered, cytogenetics CYTOGENETICS OF ANEUPLOID Shave not treated aneuploids adequately. CYTOGENETICS OF ANEUPLOIDS book has been written to supplement those works that can be used for advanced courses in genetics and cytogenetics.
Aneuploids have been particularly useful in studying the basic genetics of many plant species, particularly the crop species. In genetically well-known species such as Datura, maize, tomato, barley, wheat, and tobacco, aneuploids have been thoroughly investigated. CYTOGENETICS OF ANEUPLOIDS book reviews the literature on aneuploidy in an integrated manner for the first time. It should serve as a standard reference for research workers and teachers.
During the last decade, a great deal of interest has developed in the aneuploids of man and other animals, resulting in numerous publications. Scientists working with animal species, however, are generally unfamiliar with studies on aneuploids of plant species, and many working with plant species are similarly unfamiliar with research on animal aneuploids. CYTOGENETICS OF ANEUPLOIDS book should help bridge this gap. Over the years, different terms have been used to describe the same aneuploid; conversely, the same terms have been used for entirely different ones. To remedy
this situation and to avoid further confusion, I have suggested a standard terminology for all aneuploids. I hope my fellow research workers concerned about the confusion in terminology will find the proposed system useful. The first chapter, in addition to dealing primarily with terminology, gives a brief history of the development of this field of inquiry. The next five chapters review the entire literature on trisomics. Chapter 2 discusses the sources of various kinds of trisomics. Subsequent chapters deal with the cytology, transmission rates, genetics, and morphology of trisomics. Chapters 7, 8, and 9 are devoted to monosomies and nullisomics. The two chapters that follow deal with intervarietal substitutions and alien additions and substitutions, respectively. This allows sequential reading of these related subjects. The last chapter was added to introduce plant science workers to the problems and progress made in studying the aneuploids of man and animals but is not intended as an authoritative review.
I have tried to present in each chapter the basic principles and theoretical considerations of each topic discussed, followed by experimental results and reviews of available studies. I first conceived of writing this book when I was engaged in investigating the aneuploids of the tomato in Professor CM. Rick's laboratory at the University of California, Davis. These studies were supported by grant GM 06209 from the National Institutes of Health, U.S. Public Health Service. Five chapters on trisomics were completed before I moved to the International Rice Research Institute. Dr. R. F. Chandler, then director of IRRI, kindly consented to my returning to the University of California for one month's leave of absence enabling me to complete the book.
It is my pleasure to acknowledge my gratitude for the invaluable suggestions and comments made on the various chapters by Professors CM. Rick, G. L.  Stebbins, S. R. Snow, E. R. Sears, L. M. Sears, G. Kimber, and D. R. Ramirez. However, I am solely responsible for any errors and omissions which may be present in this book. I am indebted to many colleagues for providing photographs for the figures. Thanks are due Dr. R. A. Mclntosh for checking Table 9.6; Miss Dora Hunt for editing the entire manuscript; Mrs. Leni P. Nazarea for typing and retyping the manuscript; Mrs. Marilyn Stein for drawing Figures 4.1 and 5.1; Mr. Noli del Rosario for Figures 2.1, 2.2, 6.3, 6.4, 6.5, 6.8, and 7.1; Mrs. Lina M. Vergara and her staff for help in bibliographical matters; Mr. S. A. Breth for counsel on editorial matters; Mrs. Nancy Perez for preparing the Subject Index; and numerous publishers and individuals for permission to cite published data and reproduce figures from their copyrighted material. Special thanks are due to the immediate members of my family who willingly allowed me to spend innumerable evenings and weekends in libraries.
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