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Author: Timothy A. Mousseau
Publisher: Oxford University Press
ISBN: 0195344405
Category : Science
Languages : en
Pages : 390
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Book Description
Mothers have the ability to profoundly affect the quality of their offspring--from the size and quality of their eggs to where, when, and how eggs and young are placed, and from providing for and protecting developing young to choosing a mate. In many instances, these maternal effects may be the single most important contributor to variation in offspring fitness. This book explores the wide variety of maternal effects that have evolved in plants and animals as mechanisms of adaptation to temporally and spatially heterogeneous environments. Topics range from the evolutionary implications of maternal effects to the assessment and measurement of maternal effects. Four detailed case studies are also included. This book represents the first synthesis of the current state of knowledge concerning the evolution of maternal effects and their adaptive significance.
Author: Timothy A. Mousseau
Publisher: Oxford University Press
ISBN: 0195344405
Category : Science
Languages : en
Pages : 390
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Book Description
Mothers have the ability to profoundly affect the quality of their offspring--from the size and quality of their eggs to where, when, and how eggs and young are placed, and from providing for and protecting developing young to choosing a mate. In many instances, these maternal effects may be the single most important contributor to variation in offspring fitness. This book explores the wide variety of maternal effects that have evolved in plants and animals as mechanisms of adaptation to temporally and spatially heterogeneous environments. Topics range from the evolutionary implications of maternal effects to the assessment and measurement of maternal effects. Four detailed case studies are also included. This book represents the first synthesis of the current state of knowledge concerning the evolution of maternal effects and their adaptive significance.
Author: Dario Maestripieri
Publisher: University of Chicago Press
ISBN: 0226501221
Category : Science
Languages : en
Pages : 354
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Book Description
Evolutionary maternal effects occur whenever a mother’s phenotypic traits directly affect her offspring’s phenotype, independent of the offspring’s genotype. Some of the phenotypic traits that result in maternal effects have a genetic basis, whereas others are environmentally determined. For example, the size of a litter produced by a mammalian mother—a trait with a strong genetic basis—can affect the growth rate of her offspring, while a mother’s dominance rank—an environmentally determined trait—can affect the dominance rank of her offspring. The first volume published on the subject in more than a decade, Maternal Effects in Mammals reflects advances in genomic, ecological, and behavioral research, as well new understandings of the evolutionary interplay between mothers and their offspring. Dario Maestripieri and Jill M. Mateo bring together a learned group of contributors to synthesize the vast literature on a range of species, highlight evolutionary processes that were previously overlooked, and propose new avenues of research. Maternal Effects in Mammals will serve as the most comprehensive compendium on and stimulus for interdisciplinary treatments of mammalian maternal effects.
Author: Regina Lederman
Publisher: Springer Science & Business Media
ISBN: 1441902880
Category : Psychology
Languages : en
Pages : 333
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Book Description
presented in the Introduction (Chapter 1). The focus of Chapter 1 is twofold: (1) to present the research foundations for the psychophysiological correlates of prenatal psychosocial adaptation and the seven prenatal personality dimensions with progress in labor and birth outcomes, and particularly (2) to present the theory underlying the seven dimensions of prenatal psychosocial adaptation, which are further analyzed in the following seven chapters. Chapters 2–8 present a content analysis of the interview responses to the seven significant prenatal personality dimensions that are predictive of pregnancy adap- tion, progress in labor, birth outcomes, and postpartum maternal psychosocial adaptation, and they include: (1) Acceptance of Pregnancy, (2) Identification with a Motherhood Role, (3) Relationship with Mother, (4) Relationship with Husband, (5) Preparation for Labor, (6) (Prenatal) Fear of Pain, Helplessness, and Loss of Control in Labor, and (7) (Prenatal) Fear of Loss of Self-Esteem in Labor. There is no other comparable comprehensive, in-depth, prenatal personality research or empirical and content analysis of pregnancy-specific dimensions of maternal psychosocial adaptation to pregnancy.
Author: R. N. Gibson
Publisher: CRC Press
ISBN: 1420065750
Category : Science
Languages : en
Pages : 432
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Book Description
Increasing interest in marine biology and its relevance to environmental issues creates a demand for authoritative reviews of recent research. Oceanography and Marine Biology has addressed this demand for nearly 40 years. This annual review considers basics of marine research, special topics, and emerging new areas. Regarding the marine sciences as a unified field, the text features contributors who are actively engaged in biological, chemical, geological, and physical aspects of marine science. This edition includes a full color insert and covers such topics as the ecological status of the Great Barrier Reef, the effects of coral bleaching on fisheries, and the biology of octopus larvae.
Author: Tony D. Williams
Publisher: Princeton University Press
ISBN: 1400842794
Category : Science
Languages : en
Pages : 389
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Book Description
Physiological Adaptations for Breeding in Birds is the most current and comprehensive account of research on avian reproduction. It develops two unique themes: the consideration of female avian reproductive physiology and ecology, and an emphasis on individual variation in life-history traits. Tony Williams investigates the physiological, metabolic, energetic, and hormonal mechanisms that underpin individual variation in the key female-specific reproductive traits and the trade-offs between these traits that determine variation in fitness. The core of the book deals with the avian reproductive cycle, from seasonal gonadal development, through egg laying and incubation, to chick rearing. Reproduction is considered in the context of the annual cycle and through an individual's entire life history. The book focuses on timing of breeding, clutch size, egg size and egg quality, and parental care. It also provides a primer on female reproductive physiology and considers trade-offs and carryover effects between reproduction and other life-history stages. In each chapter, Williams describes individual variation in the trait of interest and the evolutionary context for trait variation. He argues that there is only a rudimentary, and in some cases nonexistent, understanding of the physiological mechanisms that underpin individual variation in the major reproductive life-history traits, and that research efforts should refocus on these key unresolved problems by incorporating detailed physiological studies into existing long-term population studies, generating a new synthesis of physiology, ecology, and evolutionary biology.
Author: A. Lapolla
Publisher: Karger Medical and Scientific Publishers
ISBN: 3318066125
Category : Medical
Languages : en
Pages : 277
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Book Description
Diabetes mellitus, one of the most prevalent complications during pregnancy, can cause a range of problems for women and their developing babies. The number of types of diabetes during pregnancy has dramatically increased worldwide in recent years. Obesity is a very common risk factor for the development of GDM and type 2 diabetes. To prevent birth defects and other health problems, optimal healthcare before and during pregnancy is mandatory. To reach this goal, a multidisciplinary approach is of major importance. This book presents the latest knowledge on the physiopathology, diagnosis, autoimmunity, genetics, omics, and management and treatment of diabetic pregnancy. Renowned healthcare professionals and academic experts provide insights into the complexity of diabetic pregnancy, its treatment, and pregnancy complications. This is a comprehensive overview of the clinical characteristics of pregnancy-related type 1 and 2 diabetes as well as of gestational diabetes. It is a must-read for everyone involved in the monitoring of diabetes during pregnancy.
Author: Kenneth Mather
Publisher: Springer
ISBN: 1489934049
Category : Science
Languages : en
Pages : 394
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Book Description
The properties of continuous variation are basic to the theory of evolution and to the practice of plant and animal improvement. Yet the genetical study of continuous variation has lagged far behind that of discontinuous variation. The reason for this situation is basically methodological. Mendel gave us not merely his principles of heredity, but also a method of experiment by which these principles could be tested over a wider range of living species, and extended into the elaborate genetical theory of today. The power of this tool is well attested by the speed with which genetics has grown. In less than fifty years, it has not only developed a theoretical structure which is unique in the biological sciences, but has established a union with nuclear cytology so close that the two have become virtually a single science offering us a new approach to problems so diverse as those of evolution, development, disease, cellular chemistry and human welfare. Much of this progress would have been impossible and all would have been slower without the Mendelian method of recognizing and using unit differences in the genetic materials.
Author: Julius van der Werf
Publisher: Springer Science & Business Media
ISBN: 1402090056
Category : Science
Languages : en
Pages : 256
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Book Description
Fitness and adaptation are fundamental characteristics of plant and animal species, enabling them to survive in their environment and to adapt to the inevitable changes in this environment. This is true for both the genetic resources of natural ecosystems as well as those used in agricultural production. Extensive genetic variation exists between varieties/breeds in a species and amongst individuals within breeds. This variation has developed over very long periods of time. A major ongoing challenge is how to best utilize this variation to meet short-term demands whilst also conserving it for longer-term possible use. Many animal breeding programs have led to increased performance for production traits but this has often been accompanied by reduced fitness. In addition, the global use of genetic resources prompts the question whether introduced genotypes are adapted to local production systems. Understanding the genetic nature of fitness and adaptation will enable us to better manage genetic resources allowing us to make efficient and sustainable decisions for the improvement or breeding of these resources. This book had an ambitious goal in bringing together a sample of the world’s leading scientists in animal breeding and evolutionary genetics to exchange knowledge to advance our understanding of these vital issues.
Author: G. Hornstra
Publisher: Karger Medical and Scientific Publishers
ISBN: 331801110X
Category : Family & Relationships
Languages : en
Pages : 273
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Book Description
Maternal nutritional status affects the offspring's health development significantly during early embryogenesis, pregnancy, birth and lactation, and subsequently determines health during growth and even throughout adulthood. On the other end of the human lifetime scale, the importance of maternal nutrition expands into the time period before conception: Pre-conception nutritional status not only influences fertility, but also embryogenesis and life-long health. Predisposition for coronary heart diseases, Type-2 diabetes mellitus, and hypertension can be caused by intrauterine adaptations to fetal malnutrition. Hence, optimizing nutrition for women during their reproductive period can be expected to have a great impact on the well being of the next generation. This workshop dealt with the effects of maternal nutrition on fetal growth, metabolic programming, energy and nutrient requirements, as well as under- and over-nutrition during pregnancy. Finally, it addressed the question of whether a distinct diet during pregnancy could reduce food allergy in the progeny. This book is a valuable and complete source of knowledge for all professionals involved in pediatrics, nutrition policy, women's health, immunology, epidemiology and public health.
Author: Russell Bonduriansky
Publisher: Princeton University Press
ISBN: 0691204144
Category : Science
Languages : en
Pages : 304
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Book Description
Bonduriansky and Day challenge the premise that genes alone mediate the transmission of biological information across generations and provide the raw material for natural selection. They explore the latest research showing that what happens during our lifetimes--and even our parents' and grandparents' lifetimes--can influence the features of our descendants. Based on this evidence, Bonduriansky and Day develop an extended concept of heredity that upends ideas about how traits can and cannot be transmitted across generations, opening the door to a new understanding of inheritance, evolution, and even human health. --Adapted from publisher description.
