Introduction When the study of heredity and variation first came to be treated as a scientific subject-and this, one must remember, was only just over a hundred years ago-there was an unfortunate separation between the disciplines of cytology and experimental breeding. This separation was based partly on a lack of understanding and partly on a lack of the desire to understand. Even WILLIAM BATESON, the first apostle of mendelism in England, had a blind spot for cytology and for many years dogmatically refused to believe that MENDEL'S determinants were transmitted and distributed by the chromosomes. This separation between cytology and experimental breeding is one which persists, in a measure, even today, simply because there are two quite different, though complementary, techniques available for the study of heredity and variation. On the one hand, one can study directly the structure and behaviour of the actual vehicles which transmit the genetic determinants from one generation to the next. This is the method employed by those who study genetics through a microscope. The alternative method is that used by the experimental breeder who, in default of being able to watch the hereditary factors segregate from each other directly, is obliged to examine the constitution of the germ cells indirectly by sampling, and usually at random, the products of a controlled mating.
This book integrates spatial and behavioral perspectives - in a word, those of the Rochester and Michigan schools - into a unified theory of voter choice and party strategy. The theory encompasses both policy and non-policy factors, effects of turnout, voter discounting of party promises, expectations of coalition governments, and party motivations based on policy as well as office. Optimal (Nash equilibrium) strategies are determined for alternative models for presidential elections in the US and France, and for parliamentary elections in Britain and Norway. These polities cover a wide range of electoral rules, number of major parties, and governmental structures. The analyses suggest that the more competitive parties generally take policy positions that come close to maximizing their electoral support, and that these vote-maximizing positions correlate strongly with the mean policy positions of their supporters.
The mind unlearns with difficulty what has long been impressed upon it. ' Seneca Reductionism, is, without question, the most successful analytical approach available to the experimental scientist. With the advent of techniques for cloning and sequencing DNA, and the development of a variety of molecular probes for localizing macromolecules in cells and tissues, the biologist now has available the most powerful reductionist tools ever invented. The application of these new technologies has led to a veritable explosion of facts regarding the types and organization of nucleotide sequences present in the genomes of eukaryotes. These data offer a level of precision and predictability which is unparalleled in biology. Recombinant DNA techniques were initially developed to gather information about the structure and organization of the DNA sequences within a genome. The power and potential of these techniques, however, extend far beyond simple data collection of this kind. In an attempt to use the new technology as a basis for analyzing development and evolution, attention was first focused on the topic of gene regulation, an approach that had proven so successful in prokaryotes. It is now clear that this has not been an adequate approach. Lewin (1984) has quoted Brenner as stating 'at the beginning it was said that the answer to the understanding of development was going to come from a knowledge of the molecular mechanisms of gene control. I doubt whether anyone believes this any more.
The Shepherd-Flock Motif in the Miletus Discourse (Acts 20:17-38) Against Its Historical Background provides a comprehensive survey of the use of the shepherd-flock motif in the ancient world for the readers of the New Testament. This review of Ancient Near Eastern, Jewish, Greco-Roman, and Christian sources is guided by a motific approach that integrates the concept of metaphor, Semantics, and the comparative method. A chief concern of this study is to apply this knowledge to the study of Luke-Acts, especially the Miletus Discourse (Acts 20:17-38). The shepherd-flock motif appears to be central in this speech and helps to integrate other motifs and themes in this discourse, such as the kingship motif. The Shepherd-Flock Motif in the Miletus Discourse (Acts 20:17-38) Against Its Historical Background is indispensable to the study of motifs in the New Testament and contributes meaningfully to the scholarly research on Luke-Acts.
The second edition of the Historical Dictionary of Israel addresses the need in the literature on Israel for a comprehensive impartial information source about the various diplomatic and political personalities, institutions, organizations, events, concepts, and documents that together define the political life of the Jewish state. This is done through a chronology, an introductory essay, a bibliography, and hundreds of cross-referenced dictionary entries on significant persons, places, events, government institutions, political parties, and battles, as well as entries on Israel's economy, society, and culture.
Semiconducting and Insulating Crystals details how absorption spectroscopy provides information on the nature, concentration, charge state and configuration of impurities in crystals and also on their kinetics and transformations under annealing. After an introduction of the bulk optical properties of semiconductors and insulators and of impurities in crystals, this book presents the physical bases necessary for the understanding of impurity spectra. The description of various set-ups and accessories used in absorption spectroscopy is followed by a presentation of experimental results on specific impurities and classes of impurities and their relation with those obtained by various computation and by other experimental techniques.
High Risk Pregnancy examines the full range of challenges in general obstetrics, medical complications of pregnancy, prenatal diagnosis, fetal disease, and management of labor and delivery. Drs. David James, Philip J. Steer, Carl P. Weiner, Bernard Gonik, Caroline Crowther, and Stephen Robson present an evidence-based approach to the available management options, equipping you with the most appropriate strategy for each patient. This comprehensive reference features the fully searchable text online at www.expertconsult.com, as well as more than 100 videos of imaging and monitoring. giving you easy access to the resources you need to manage high risk pregnancies. Prepare for clinical challenges and save time in addressing them thanks to expert advice on treatment options from international contributors. Find and apply the information you need quickly and easily through a consistent organization and at-a-glance summary boxes that discuss evidence-based management options. Access the fully searchable text online at www.expertconsult.com, along with links to Medline. View over 140 videos of detailed fetal imaging and monitoring that aid in diagnoses. Tap into recent developments in treatment and management in four new chapters—Global Maternal & Perinatal Health Issues; Recurrent Pregnancy Loss; Surveillance of the Fetus and its Indications; and Training for Obstetric Emergencies. Apply new evidence-based management options to treat genetic and constitutional factors leading to a high-risk pregnancy (such as diabetes, obesity, hypertension, and cardiac disease) through new and expanded coverage of these increasingly common presentations. Reference pregnancy-relevant laboratory values with an updated and comprehensive appendix on "Normal Values in Pregnancy." Effectively manage patients newly diagnosed with hematologic and immunologic malignancies, and explore the available drug options. Confirm your diagnoses with greater confidence thanks to full-color images throughout the text.
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