Heredity Produced

The cultural history of heredity: scholars from a range of disciplines discuss the evolution of the concept of heredity, from the Early Modern understanding of the act of "generation" to its later nineteenth-century definition as the transmission of characteristics across generations. Until the middle of the eighteenth century, the biological makeup of an organism was ascribed to an individual instance of "generation"--involving conception, pregnancy, embryonic development, parturition, lactation, and even astral influences and maternal mood--rather than the biological transmission of traits and characteristics. Discussions of heredity and inheritance took place largely in the legal and political sphere. In Heredity Produced, scholars from a broad range of disciplines explore the development of the concept of heredity from the early modern period to the era of Darwin and Mendel. The contributors examine the evolution of the concept in disparate cultural realms--including law, medicine, and natural history--and show that it did not coalesce into a more general understanding of heredity until the mid-nineteenth century. They consider inheritance and kinship in a legal context; the classification of certain diseases as hereditary; the study of botany; animal and plant breeding and hybridization for desirable characteristics; theories of generation and evolution; and anthropology and its study of physical differences among humans, particularly skin color. The editors argue that only when people, animals, and plants became more mobile--and were separated from their natural habitats through exploration, colonialism, and other causes--could scientists distinguish between inherited and environmentally induced traits and develop a coherent theory of heredity. Contributors David Sabean, Silvia De Renzi, Ulrike Vedder, Carlos López Beltrán, Phillip K. Wilson, Laure Cartron, Staffan Müller-Wille, Marc J. Ratcliff, Roger Wood, Mary Terrall, Peter McLaughlin, François Duchesneau, Ohad Parnes, Renato Mazzolini, Paul White, Nicolas Pethes, Stefan Willer, Helmuth Müller-Sievers

Investigations of how the understanding of heredity developed in scientific, medical, agro-industrial, and political contexts of the late nineteenth and early twentieth centuries. This book examines the wide range of scientific and social arenas in which the concept of inheritance gained relevance in the late nineteenth and early twentieth centuries. Although genetics emerged as a scientific discipline during this period, the idea of inheritance also played a role in a variety of medical, agricultural, industrial, and political contexts. The book, which follows an earlier collection, Heredity Produced (covering the period 1500 to 1870), addresses heredity in national debates over identity, kinship, and reproduction; biopolitical conceptions of heredity, degeneration, and gender; agro-industrial contexts for newly emerging genetic rationality; heredity and medical research; and the genealogical constructs and experimental systems of genetics that turned heredity into a representable and manipulable object. Taken together, the essays in Heredity Explored show that a history of heredity includes much more than the history of genetics, and that knowledge of heredity was always more than the knowledge formulated as Mendelism. It was the broader public discourse of heredity in all its contexts that made modern genetics possible. Contributors Caroline Arni, Christophe Bonneuil, Christina Brandt, Luis Campos, Jean-Paul Gaudillière, Bernd Gausemeier, Jean Gayon, Veronika Lipphardt, Ilana Löwy, J. Andrew Mendelsohn, Staffan Müller-Wille, Diane B. Paul, Theodore M. Porter, Alain Pottage, Hans-Jörg Rheinberger, Marsha L. Richmond, Helga Satzinger, Judy Johns Schloegel, Alexander von Schwerin, Hamish G. Spencer, Ulrike Vedder

“Thought-provoking…any scientist interested in genetics will find this an enlightening look at the history of this field.”—Quarterly Review of Biology It was only around 1800 that heredity began to enter debates among physicians, breeders, and naturalists. Soon thereafter, it evolved into one of the most fundamental concepts of biology. Here, Staffan Muller-Wille and Hans-Jorg Rheinberger offer a succinct cultural history of the scientific concept of heredity. They outline the dramatic changes the idea has undergone since the early modern period and describe the political and technological developments that brought about these changes. They begin with an account of premodern theories of generation, showing that these were concerned with the procreation of individuals rather than with hereditary transmission, and reveal that when hereditarian thinking first emerged, it did so in a variety of cultural domains, such as politics and law, medicine, natural history, breeding, and anthropology. The authors then track theories of heredity from the late nineteenth century—when leading biologists considered it in light of growing societal concerns with race and eugenics—through the rise of classical and molecular genetics in the twentieth century, to today, as researchers apply sophisticated information technologies to understand heredity. What we come to see from this exquisite history is why it took such a long time for heredity to become a prominent concept in the life sciences, and why it gained such overwhelming importance in those sciences and the broader culture over the last two centuries.

Heredity: knowledge and power -- Generation, reproduction, evolution -- Heredity in separate domains -- First syntheses -- Heredity, race, and eugenics -- Disciplining heredity -- Heredity and molecular biology -- Gene technology, genomics, postgenomics: attempt at an outlook.

Gregor Johann Mendel is known as the father of modern genetics. He used cross-breeding to develop different kinds of peas. This allowed him to make predictions about the outcomes. These are now called Mendel's Laws of Heredity. They explain how traits are passed from generation to generation. Mendel also discovered dominant and recessive genes.

The Bacteria: A Treatise on Structure and Function, Volume V: Heredity explores the role of bacterial genetics in heredity. The book includes chapters on genetic fine structure, genetic replication, and gene-enzyme relationships, along with gene transduction, bacterial episomes, and genetic recombination. This volume is organized into 10 chapters and begins with an overview of conjugation as a mechanism of genetic exchange in bacterial species such as Escherichia coli, Salmonella typhosa, Pseudomonas aeruginosa, Vibrio cholera, and Serratia marcescens. The book then discusses transduction, its uses and evolutionary implications, and the nature of the transducing particle as well as the transduction of galactose genes by bacteriophage lambda. The reader is also introduced to transformation and its use in genetic analysis, along with bacterial episomes and genetic transfer; genetic recombination and other genetic phenomena in streptomycetes; and DNA replication. The book concludes by explaining how bacteria should be defined from a biological standpoint. This book is a valuable source of information for geneticists, biochemists, biologists, and research workers involved in the biological sciences.

How Genetic Information Is Produced and Manipulated by Scientists, Physicians, Employers, Insurance Companies, Educators, and Law Enforcers

Assists policymakers in evaluating the appropriate scientific methods for detecting unintended changes in food and assessing the potential for adverse health effects from genetically modified products. In this book, the committee recommended that greater scrutiny should be given to foods containing new compounds or unusual amounts of naturally occurring substances, regardless of the method used to create them. The book offers a framework to guide federal agencies in selecting the route of safety assessment. It identifies and recommends several pre- and post-market approaches to guide the assessment of unintended compositional changes that could result from genetically modified foods and research avenues to fill the knowledge gaps.