A Study of Genetic Influences on Phototactic Behavior in Drosophila Ananassae and Drosophila Pallidosa, a Pair of Sibling Species PDF Download
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Author: Laurie D. Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
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Book Description
Author: Laurie D. Smith
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
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Book Description
Author: Christopher John Pantazis
Publisher:
ISBN:
Category : Drosophila
Languages : en
Pages : 86
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Book Description
"Drosophila ananassae inhabits most of the tropical and subtropical regions of the world. In contrast to D. melanogaster and D. simulans, populations of D. ananassae exhibit a distinct genetic population substructure through most of their geographic range. Studies of D. ananassae populations from Trinity Beach (Australia), Apia (YSamoa), Nadi (Fiji) and Java (Indonesia) and its sister species, D. pallidosa from Malololelei (Samoa) and Nadi (Fiji) showed significant levels of prezygotic mating discrimination. However, it is unclear whether postzygotic isolation exists, and if fitness of hybrids from matings between populations and between D. ananassae and D. pallidosa is lower than fitness of offspring from matings within populations. Such postzygotic reproductive isolation among populations of D. ananassae would indicate that the populations may be in the early stages of speciation. In this study, I determined the extent to which postzygotic reproductive barriers exist among populations of D. ananassae and D. pallidosa from Australia, Samoa, Fiji, and Indonesia. I measured hybrid sterility and hybrid inviability as components of hybrid fitness of offspring from crosses between populations of D. ananassae and D. pallidosa. I found there is measurable postzygotic isolation between D. ananassae and D. pallidosa as species, but that there little measurable postzygotic isolation among populations of italicD. ananassae."--Abstract from author supplied metadata.
Author: Therese A. Markow
Publisher: Elsevier
ISBN: 0080454097
Category : Science
Languages : en
Pages : 268
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Book Description
Anyone wishing to tap the research potential of the hundreds of Drosophila species in addition to D.melanogaster will finally have a single comprehensive resource for identifying, rearing and using this diverse group of insects. This is the only group of higher eukaryotes for which the genomes of 12 species have been sequenced.The fruitfly Drosophila melanogaster continues to be one of the greatest sources of information regarding the principles of heredity that apply to all animals, including humans. In reality, however, over a thousand different species of Drosophila exist, each with the potential to make their own unique contributions to the rapidly changing fields of genetics and evolution. This book, by providing basic information on how to identify and breed these other fruitflies, will allow investigators to take advantage, on a large scale, of the valuable qualities of these other Drosophila species and their newly developed genomic resources to address critical scientific questions.* Provides easy to use keys and illustrations to identify different Drosophila species* A guide to the life history differences of hundreds of species* Worldwide distribution maps of hundreds of species* Complete recipes for different Drosophila diets* Offers an analysis on how to account for species differences in designing and conducting experiments* Presents useful ideas of how to collect the many different Drosophila species in the wild
Author: Richard Frankham
Publisher: Cambridge University Press
ISBN: 9780521538275
Category : Nature
Languages : en
Pages : 244
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Book Description
This concise, entry level text provides an introduction to the importance of genetic studies in conservation and presents the essentials of the discipline in an easy-to-follow format, with main points and terms clearly highlighted. The authors assume only a basic knowledge of Mendelian genetics and simple statistics, making the book accessible to those with a limited background in these areas. Connections between conservation genetics and the wider field of conservation biology are interwoven throughout the book. Worked examples are provided throughout to help illustrate key equations and glossary and suggestions for further reading provide additional support for the reader. Many beautiful pen and ink portraits of endangered species are included to enhance the text. Written for short, introductory level courses in genetics, conservation genetics and conservation biology, this book will also be suitable for practising conservation biologists, zoo biologists and wildlife managers.
Author: Yoshiko N. Tobari
Publisher:
ISBN:
Category : Drosophila
Languages : en
Pages : 316
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Book Description
Author: Arthur C. Gibson
Publisher: Harvard University Press
ISBN: 9780674089914
Category : Nature
Languages : en
Pages : 302
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Book Description
The Cactus Primer presents the amateur cactophile with an excellent introduction to cactus biology and provides the informed reader with an invaluable summary of the last forty years' research. This book goes far beyond books that instruct readers in the propagation, growth, and care of these plants; addressing matters of more scientific interest, it takes an integrated approach to the presentation of the form, physiology, evolution, and ecology of cacti. The book is unique in that it combines the descriptive morphology and physiology documented in the scientific literature with more general observations found in popular publications on cacti. It provides a new generic classification of the cacti and contains much new information, including data on photosynthesis, heat and cold tolerance, computer modeling of ribs, and the effects of spines. Enhanced by over 400 illustrations and supplemented with an extensive glossary, this book will appeal to cactus enthusiasts interested in the classification and growth of cacti, as well as to plant biologists who use cacti to illustrate desert adaptation and convergent evolution. Written in accessible style, The Cactus Primer is bound to serve a dual function as both an instructive tool and a reference work in cactus biology for years to come.
Author: Irina Brake
Publisher: BRILL
ISBN: 9004261036
Category : Science
Languages : en
Pages : 412
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Book Description
Concerns about global biodiversity are rising dramatically, yet we are lagging behind in the most basic prerequisite for its understanding and conservation: the inventory. Insect species may make up five or ten times the number of all other plant and animal species combined, and as such they represent one of the major challenges in biosystematic science. World Catalogue of Insects is an initiative aiming at compiling worldscale, authoritative catalogues of monophyletic insect taxa. Volumes in this series contain standard nomenclatoral information on all names pertaining to the taxon treated, including type locality and distribution to the extent this is relevant. Additional information is optional, e.g., location, status and condition of types; biology; bibliographical information; pest status; vector status; etc. This volume nine focuses on Drosophilidae (Diptera). (Series: World Catalogue of Insects)
Author: Costas B. Krimbas
Publisher: CRC Press
ISBN: 9780849365478
Category : Science
Languages : en
Pages : 680
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Book Description
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: H. J. Phaff
Publisher:
ISBN: 9780674863552
Category :
Languages : en
Pages : 360
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Book Description
Praised as "one of those rare scientific books that can be read both for pleasure and instruction" when it was first published, "The Life of Yeasts" now appears in a new edition incorporating the exciting developments of the last decade.This book is written for the nonspecialist who wishes to understand the yeasts, but not necessarily to become an expert on them. The new edition covers recent and major advances in the morphology, physiology, genetics, and ecology of these organisms, which have long been important in commerce and medicine and are ever more studied in the laboratory as prototypical eukaryotes.
Author: Karl W. Broman
Publisher: Springer
ISBN: 9781461417088
Category : Science
Languages : en
Pages : 400
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Book Description
Comprehensive discussion of QTL mapping concepts and theory Detailed instructions on the use of the R/qtl software, the most featured and flexible software for QTL mapping Two case studies illustrate QTL analysis in its entirety
