Author: Eric L. Charnov
Publisher: Princeton University Press
ISBN: 0691210055
Category : Science
Languages : en
Pages : 369
Book Description
This book is the first comprehensive treatment of sex allocation from the standpoint of modern evolutionary theory. It shows how the determination of sex ratio, resource allocation to sperm versus egg within simultaneous hermaphroditism, and the evolution of sex reversal can he explained as examples of a single process. The genetical theory, developed mostly with graphical arguments, also specifies when hermaphroditism and dioecy are themselves evolutionary stable. The work balances theory with field and laboratory research, providing critical tests of the theory by empirical studies of sex ratio in parasitoid wasps and mites, sex reversal in shrimp and coral reef fish, and allocation of resources to pollen versus seeds in higher plants. In addition, the author oilers an encyclopedic review of the field and laboratory work of other scientists, reviews many as yet untested hypotheses in sex allocation, and points toward numerous plant and animal systems that hold promise for future tests.
The Theory of Sex Allocation. (MPB-18), Volume 18
Author: Eric L. Charnov
Publisher: Princeton University Press
ISBN: 0691210055
Category : Science
Languages : en
Pages : 369
Book Description
This book is the first comprehensive treatment of sex allocation from the standpoint of modern evolutionary theory. It shows how the determination of sex ratio, resource allocation to sperm versus egg within simultaneous hermaphroditism, and the evolution of sex reversal can he explained as examples of a single process. The genetical theory, developed mostly with graphical arguments, also specifies when hermaphroditism and dioecy are themselves evolutionary stable. The work balances theory with field and laboratory research, providing critical tests of the theory by empirical studies of sex ratio in parasitoid wasps and mites, sex reversal in shrimp and coral reef fish, and allocation of resources to pollen versus seeds in higher plants. In addition, the author oilers an encyclopedic review of the field and laboratory work of other scientists, reviews many as yet untested hypotheses in sex allocation, and points toward numerous plant and animal systems that hold promise for future tests.
Publisher: Princeton University Press
ISBN: 0691210055
Category : Science
Languages : en
Pages : 369
Book Description
This book is the first comprehensive treatment of sex allocation from the standpoint of modern evolutionary theory. It shows how the determination of sex ratio, resource allocation to sperm versus egg within simultaneous hermaphroditism, and the evolution of sex reversal can he explained as examples of a single process. The genetical theory, developed mostly with graphical arguments, also specifies when hermaphroditism and dioecy are themselves evolutionary stable. The work balances theory with field and laboratory research, providing critical tests of the theory by empirical studies of sex ratio in parasitoid wasps and mites, sex reversal in shrimp and coral reef fish, and allocation of resources to pollen versus seeds in higher plants. In addition, the author oilers an encyclopedic review of the field and laboratory work of other scientists, reviews many as yet untested hypotheses in sex allocation, and points toward numerous plant and animal systems that hold promise for future tests.
Sex Ratios
Author: Ian Hardy
Publisher:
ISBN: 9780511069932
Category : Sex determination, Genetic
Languages : en
Pages : 424
Book Description
Sex ratios, the proportions of males and females in any given species, are important in evolutionary and behavioural ecology. This volume explores the context to and methods for many aspects of research on sex ratios, and will be an indispensable reference for all those working in this area.
Publisher:
ISBN: 9780511069932
Category : Sex determination, Genetic
Languages : en
Pages : 424
Book Description
Sex ratios, the proportions of males and females in any given species, are important in evolutionary and behavioural ecology. This volume explores the context to and methods for many aspects of research on sex ratios, and will be an indispensable reference for all those working in this area.
The Descent of Human Sex Ratio at Birth
Author: Éric Brian
Publisher: Springer Science & Business Media
ISBN: 140206036X
Category : Social Science
Languages : en
Pages : 263
Book Description
This is an attempt to renew our links with the oldest traditions of scholarly thinking, but is also a well-tempered reflection on today’s work in objectivization. After a deconstruction of the past and present conditions of scientific understanding of human sex-ratio at birth, the authors propose a reconstruction of the dynamics of the phenomenon based on stochastics. Appendices provide information on the first expression of sex ratio trends, as well as a comparison of Darwin’s treatments of the subject.
Publisher: Springer Science & Business Media
ISBN: 140206036X
Category : Social Science
Languages : en
Pages : 263
Book Description
This is an attempt to renew our links with the oldest traditions of scholarly thinking, but is also a well-tempered reflection on today’s work in objectivization. After a deconstruction of the past and present conditions of scientific understanding of human sex-ratio at birth, the authors propose a reconstruction of the dynamics of the phenomenon based on stochastics. Appendices provide information on the first expression of sex ratio trends, as well as a comparison of Darwin’s treatments of the subject.
Exploring the Biological Contributions to Human Health
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309132975
Category : Medical
Languages : en
Pages : 287
Book Description
It's obvious why only men develop prostate cancer and why only women get ovarian cancer. But it is not obvious why women are more likely to recover language ability after a stroke than men or why women are more apt to develop autoimmune diseases such as lupus. Sex differences in health throughout the lifespan have been documented. Exploring the Biological Contributions to Human Health begins to snap the pieces of the puzzle into place so that this knowledge can be used to improve health for both sexes. From behavior and cognition to metabolism and response to chemicals and infectious organisms, this book explores the health impact of sex (being male or female, according to reproductive organs and chromosomes) and gender (one's sense of self as male or female in society). Exploring the Biological Contributions to Human Health discusses basic biochemical differences in the cells of males and females and health variability between the sexes from conception throughout life. The book identifies key research needs and opportunities and addresses barriers to research. Exploring the Biological Contributions to Human Health will be important to health policy makers, basic, applied, and clinical researchers, educators, providers, and journalists-while being very accessible to interested lay readers.
Publisher: National Academies Press
ISBN: 0309132975
Category : Medical
Languages : en
Pages : 287
Book Description
It's obvious why only men develop prostate cancer and why only women get ovarian cancer. But it is not obvious why women are more likely to recover language ability after a stroke than men or why women are more apt to develop autoimmune diseases such as lupus. Sex differences in health throughout the lifespan have been documented. Exploring the Biological Contributions to Human Health begins to snap the pieces of the puzzle into place so that this knowledge can be used to improve health for both sexes. From behavior and cognition to metabolism and response to chemicals and infectious organisms, this book explores the health impact of sex (being male or female, according to reproductive organs and chromosomes) and gender (one's sense of self as male or female in society). Exploring the Biological Contributions to Human Health discusses basic biochemical differences in the cells of males and females and health variability between the sexes from conception throughout life. The book identifies key research needs and opportunities and addresses barriers to research. Exploring the Biological Contributions to Human Health will be important to health policy makers, basic, applied, and clinical researchers, educators, providers, and journalists-while being very accessible to interested lay readers.
National Vital Statistics Reports
The methods and materials of demography
Summaries of Theses Accepted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy
Author: Harvard University. Graduate School of Arts and Sciences
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 656
Book Description
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 656
Book Description
Statistical Power Analysis for the Behavioral Sciences
Author: Jacob Cohen
Publisher: Routledge
ISBN: 1134742770
Category : Psychology
Languages : en
Pages : 625
Book Description
Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: * a chapter covering power analysis in set correlation and multivariate methods; * a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and; * expanded power and sample size tables for multiple regression/correlation.
Publisher: Routledge
ISBN: 1134742770
Category : Psychology
Languages : en
Pages : 625
Book Description
Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: * a chapter covering power analysis in set correlation and multivariate methods; * a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and; * expanded power and sample size tables for multiple regression/correlation.
The Physiology of Human Pregnancy
Author: Frank E. Hytten
Publisher: Wiley-Blackwell
ISBN:
Category : Health & Fitness
Languages : en
Pages : 622
Book Description
Publisher: Wiley-Blackwell
ISBN:
Category : Health & Fitness
Languages : en
Pages : 622
Book Description
Watering the Neighbour's Garden
Author: Christophe Guilmoto
Publisher:
ISBN: 9782910053291
Category : Daughters
Languages : en
Pages : 425
Book Description
Publisher:
ISBN: 9782910053291
Category : Daughters
Languages : en
Pages : 425
Book Description