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Chromosomes as supermolecular systems; The mitotic mechanism in evolution Endomitosis and endopolyploidy; Giant chromosomes the polytene type; Giant chromosomes the lampbrush type; The mechanism of meiosis; Chromosomes rearrangements occourrence and mechanisms; Chromosomal polymorphism in natural populations; Supernumerary chromosomes; Chromosomal rearrangements and speciaton evolution of the meiotic mechanism. The evolution of aberrant genetic systems; The cytology of interspecific hybrid;. The evolution of sex determination; Haplodiploidy; Thelytoky.
Since 1961 the author has taught a course in Cytogenetics at Montana State University. Undergraduate and graduate stu dents of Biology, Chemistry, Microbiology, Animal and Range Science, Plant and Soil Science, Plant Pathology and Veterinary Science are enrolled. Therefore, the subject matter has been pre sented in an integrated way to correlate it with these diverse disciplines. This book has been prepared as a text for this course. The most recent Cytogenetics text was published in 1972, and rapidly developing research in this field makes a new one urgently needed. This book includes many aspects of Cytogenetics and related fields and is written for the college student as well as for the researcher. It is recommended that the student should have taken preparatory courses in Principles of Genetics and Cytol ogy. The content is more than is usually taught during one quar ter of an academic year, thus allowing an instructor to choose what he or she would like to present to a class. This approach also allows the researcher to obtain a broad exposure to this field of biology. References are generously supplied to stimulate orig inal reading on the subject and to give access to valuable sources. The detailed index is intended to be of special assistance to researchers.
This 1981 collection focuses on a wide range of topics in the general field of evolutionary biology. The authors have all been associated with Professor M. J. D. White, who was the world authority on chromosomal evolution and speciation, to whom this volume was presented on his seventieth birthday.
This text brings together fundamental information on insect taxa, morphology, ecology, behavior, physiology, and genetics. Close relatives of insects, such as spiders and mites, are included.
In spite of the fact that parasites represent more than half of all living species of plants and animals, their role in the evolution of life on earth has been substantially underestimated. Here, for the first time within an evolutionary and ecological framework, Peter Price integrates the biological attributes that characterize parasites ranging from such diverse groups as viruses, bacteria, protozoa, and fungi, to helminths, mites, insects, and parasitic flowering plants. Synthesizing systematics, ecology, behavioral biology, genetics, and biogeography, the author outlines the success of parasitism as a mode of life, the common features of the wide range of organisms that adopt such a way of life, the reasons for parasites' extraordinary potential for continued adaptive radiation, and their role in molding community structure by means of their impact on the evolution of host species. In demonstrating the importance of parasitic interactions for determining population patterns and geographical distributions, Dr. Price generates further discussion and suggests new areas for research.
Advances in Genetics continues to present articles that are of interest to both human and molecular geneticists. Volume 37 offers a single chapter, written by I.F. Zhimulev, in which Dr. Zhimulev undertakes thelaborious task of presenting an in-depth and detailed account of the various aspects of heterochromatin organization in the mitotic and interphase polytene chromosomes. It also includes details concerning the organization of heterochromatin at high resolution are also analyzed.
One Hundred Years of Chromosome Research: What Remains to be Learned, offers the reader a critical analysis of the observations and experiments that shaped the last 100 years of chromosome research, as well as the ideas which prevailed during this period. Emphasis is placed on what remains to be learned, particularly in light of reality of the sequencing of DNA which leaves the previous era of chromosome research as a prehistoric event. It is at this turning point, that well formulated questions can be asked about many of the chromosome's properties, which remain to be unveiled. The author, Lima-de-Faria is Professor Emeritus of Molecular Cytogenetics at Lund Unviersity, Sweden, previously Head of the Institute of Molecular Cytogenetics, Lund University.