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Author : Kōstas V. Krimpas
Publisher : Unknown
Page : 410 pages
File Size : 49,9 Mb
Release : 1993
Category : Chromosome inversions
ISBN : CORNELL:31924067902761
Author : Costas B. Krimbas,Jeffrey R. Powell
Publisher : CRC Press
Page : 680 pages
File Size : 48,5 Mb
Release : 1992-08-21
Category : Science
ISBN : 0849365473
Inversion polymorphism in Drosophila has long served as a research subject for a variety of evolutionary studies and continues to be extremely important in understanding evolutionary principles today. Until now, no single volume has ever been assembled as a summary of this work. Drosophila Inversion Polymorphism provides background information, explores new and rigorous approaches to reconstructing phylogenetic relationships from inversion variation, and discusses inversion polymorphism in the six most studied species groups. Some chapters examine general principles and conclusions, some present detailed data sets (many of which have never before been published), and others offer detailed chromosome maps for identification. The book is a one-of-a-kind source of summary discussions and data ripe for analysis. Geneticists, evolutionary biologists, biologists, and all investigators researching inversion polymorphisms should consider Drosophila Inversion Polymorphism a "must-have" volume.
Author : Anonim
Publisher : Academic Press
Page : 308 pages
File Size : 54,8 Mb
Release : 1955-01-01
Category : Science
ISBN : 0080567940
Advances in Genetics
Author : Pranveer Singh
Publisher : Springer
Page : 106 pages
File Size : 45,7 Mb
Release : 2015-10-16
Category : Science
ISBN : 9788132225652
This book introduces readers to classical population genetics and the ways in which it can be applied to practical problems, including testing for natural selection, genetic drift, genetic differentiation, population structuring, gene flow and linkage disequilibrium. It provides a comprehensive monograph on the topic, addressing the theory, applications and evolutionary deductions, which are clearly explained using experimental results. It also offers separate chapters on origin, establishment and spread of chromosomal aberrations in populations along with details of culturing, maintaining and using Drosophila ananassae (genetically unique and the most commonly used species along with D. melanogaster) for genetic research. Encompassing topics like genetics, evolution, Drosophila genetics, population genetics, population structuring, natural selection and genetic drift in considerable detail, it provides a valuable resource to undergraduate and postgraduate students, as well as researchers at all level. This book explores some fundamental questions concerning the role of natural selection and genetic drift on the degree of inversion polymorphism. India, with its wide diversity in geo-climatic conditions, provides an excellent platform to conduct such studies. The book showcases sampling records of inversion frequencies in natural Indian populations of D. ananassae that cover more than two decades. It highlights case studies in which sampling data on inversion frequencies was combined with that from earlier surveys, generating a time series that allows the evolutionary dynamics of inversion polymorphism to be explored. Such long time series are rare but nonetheless crucial for studying the evolutionary dynamics of inversion polymorphism. The population-genetic analysis discussed is unprecedented in terms of its temporal (two decades) and spatial (most regions of India covered) scale and investigates the patterns of polymorphic system in D. ananassae to see if there is any temporal divergence. It endeavors to present a holistic picture of inversion polymorphism across the country (India). Chromosomal aberrations, particularly paracentric inversions, are used as a tool for discussing population genetic studies, helping human geneticists, gynecologists and other medical professionals understand why some aberrations are fatal in humans, with affected embryos often not surviving the first trimester of pregnancy, while similar aberrations in Drosophila flies aid in their adaptation to the environmental heterogeneity across the globe.
Author : Seppo Lakovaara
Publisher : Springer Science & Business Media
Page : 466 pages
File Size : 55,6 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9781461583219
In 1906 Castle, Carpenter, Clarke, Mast, and Barrows published a paper entitled "The effects of inbreeding, cross-breeding, and selection upon the fertility and variability of Drosophila." This article, 55 pages long and published in the Proceedings of the Amer ican Academy, described experiments performed with Drosophila ampe lophila Lov, "a small dipterous insect known under various popular names such as the little fruit fly, pomace fly, vinegar fly, wine fly, and pickled fruit fly." This study, which was begun in 1901 and published in 1906, was the first published experimental study using Drosophila, subsequently known as Drosophila melanogaster Meigen. Of course, Drosophila was known before the experiments of Cas tles's group. The small flies swarming around grapes and wine pots have surely been known as long as wine has been produced. The honor of what was the first known misclassification of the fruit flies goes to Fabricius who named them Musca funebris in 1787. It was the Swedish dipterist, C.F. Fallen, who in 1823 changed the name of ~ funebris to Drosophila funebris which was heralding the beginning of the genus Drosophila. Present-day Drosophila research was started just 80 years ago and first published only 75 years ago. Even though the history of Drosophila research is short, the impact and volume of study on Drosophila has been tremendous during the last decades.
Author : Robert Platt
Publisher : Springer
Page : 228 pages
File Size : 49,5 Mb
Release : 2013-12-19
Category : Medical
ISBN : 9781489963659
Author : Andrew P. Hendry,Michael T. Kinnison
Publisher : Springer Science & Business Media
Page : 528 pages
File Size : 42,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401005852
From guppies to Galapagos finches and from adaptive landscapes to haldanes, this compilation of contributed works provides reviews, perspectives, theoretical models, statistical developments, and empirical demonstrations exploring the tempo and mode of microevolution on contemporary to geological time scales. New developments, and reviews, of classic and novel empirical systems demonstrate the strength and diversity of evolutionary processes producing biodiversity within species. Perspectives and theoretical insights expand these empirical observations to explore patterns and mechanisms of microevolution, methods for its quantification, and implications for the evolution of biodiversity on other scales. This diverse assemblage of manuscripts is aimed at professionals, graduate students, and advanced undergraduates who desire a timely synthesis of current knowledge, an illustration of exciting new directions, and a springboard for future investigations in the study of microevolution in the wild.
Author : Antonio Fontdevila
Publisher : Springer Science & Business Media
Page : 299 pages
File Size : 42,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642745256
An overview of speciation theory reveals an increasingly held view that many events leading to the origin of new species occur in transient, unstable populations. A transient, unstable population should be under stood as a fast episodic phase in a population subjected to genetic and environmental factors that tend to disrupt its cohesive, balanced genome architecure, thus enhancing its probability to produce a new species. Striking the core of Darwinian thought, some authors claim that these· processes may be non-adaptive. Among the environmental factors one may cite biotic (e.g. resource availability) and abiotic (e.g. temperature) stress conditions that break up the population stability producing random, unpredictable changes in population size, population trait distribution, breeding structure, inter- and/or intrapopulational hybridization, etc. Genetic factors consist of those events that induce rapid changes in genetic expression and/or that determine reproductive isolation, such as substitutions, insertions, deletions, duplications, transpositions, gross chromosomal rearrangements, recombination and, in general, any mechanism that changes the regulatory pattern of the organism or the balance of its meiotic system. Both kinds of factors are often intertwined in a complex net and may influence each other.
Author : Margarida Matos,Pedro Simões,Inês Fragata,Ana Sofia Quina,Torsten Nygaard Kristensen,Mauro Santos
Publisher : Frontiers Media SA
Page : 152 pages
File Size : 45,8 Mb
Release : 2021-02-22
Category : Science
ISBN : 9782889664948
Author : R. S. Singh,Costas B. Krimbas
Publisher : Cambridge University Press
Page : 738 pages
File Size : 53,7 Mb
Release : 2000-03-28
Category : Medical
ISBN : 0521571235
This book brings out the central role of evolutionary genetics in all aspects of its connection to evolutionary biology.
Author : Max K. Hecht
Publisher : Springer Science & Business Media
Page : 601 pages
File Size : 41,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461595854
It is not often that one has the opportunity to send a public birthday greet ing to a friend and colleague of many years, and to congratulate him on having reached the age of reason. In fact it happens only once, and comes then as a surprise. Surely it was only a few years ago that we sat together at an International Genetics Congress in Ithaca, and only yesterday that we became members of the same department. The eighth floor of Schermerhorn Hall had a north end where the flies were and a south end furnished with mice, and in between, a seminar room and laboratory. There the distances were short and the doors open and the coffee pot busy. But it now appears that yesterday has fallen thirty years behind and that we have grown up. I find it interesting and appropriate that Dobzhansky's lifetime spans the period of maturation of the fields to which this volume is devoted. This is true in a chronological sense for his birth occurred in the same year, 1900, in which modern genetics began. The rediscovery of Mendel's princi ples and the interpretation of the nature of heredity and variation to which this event led were necessary prerequisites to the development of evolution ary biology as presented in this collection of essays.
Author : M. Ashburner,Edward Novitski
Publisher : Unknown
Page : 584 pages
File Size : 41,8 Mb
Release : 1976
Category : Nature
ISBN : STANFORD:36105002941149
Author : Anonim
Publisher : Unknown
Page : 384 pages
File Size : 42,8 Mb
Release : 1944
Category : Entomology
ISBN : MINN:31951T00196185I
Author : Jeffrey R. Powell
Publisher : Oxford University Press, USA
Page : 577 pages
File Size : 42,6 Mb
Release : 1997
Category : Biological models
ISBN : 9780195076912
The common fruitfly, Drosophila, is the most extensively studied of all organisms in genetical research. Thus, it would appear to be the best model for achieving new insights. Its use in evolutionary studies has resulted in an explosion of knowledge which has never before been gathered into a single volume. This book spans the full range of evolutionary studies - population genetics, ecology, ecological genetics, speciation, phylogenetics, genome evolution, molecular; evolution, and development. In covering these topics, highlights of empirical research are emphasized and are put into the context of major issues in evolution.
Author : Anonim
Publisher : Unknown
Page : 1020 pages
File Size : 51,9 Mb
Release : 1965
Category : Agricultural pests
ISBN : UFL:31262081380080
