The Biology Of Twinning In Man
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The Biology Of Twinning In Man
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Author : M. G. Bulmer
language : en
Publisher: Clarendon Press
Release Date : 1970
The Biology Of Twinning In Man written by M. G. Bulmer and has been published by Clarendon Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Embryology, Human categories.
Twins are probably by no means unknown to most people - for instance in the sporting world of my Australian homeland there are quite a number of cases of note - yet very few people understand the biology behind twins. Although this book suffers a good deal from its age - people like Tim Flannery, Tom McMahon, John Rushton, and Michael Laker clearly give evidence that there is something much more "designed" than randomness involved in dizygotic twin frequencies around the world - if you want a basic introduction to the facts about twinning in humans you will get it here without any doubt. Bulmer deals with every aspects of twinning from the frequency of twinning in humans to the liabilities mothers of twins face vis-à-vis those of single children. He also goes into less common detail about the extreme difficulties of higher order multiple births - and provides little-known but easily understandable details about their frequency. Bulmer shows that for most of human history mothers of twins were at huge disadvantages both in terms of their much greater health risks and the low birth mass and short gestation of their children. For this reason, Bulmer shows that only when major health improvements were made could twins compete with singleton children, and he shows this had and has major consequences culturally. Another very interesting sidelight is Bulmer's look at how single birthing evolved as the most productive strategy in humans and other primates (except for the primitive tree shrews). Bulmer compares this with the situation in animals that typically give birth to multiple young. He should, however, have looked at the environmental conditions that encourage singleton births and compare with those animals that give birth to multiple, highly precocial offspring. All in all, though it is certainly dated, "Biology of Twinning in Man" is a simple and useful overview of what most people should know about multiple births in humans.
The Biology Of Twinning In Man
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Author : M. G. Bulmer
language : en
Publisher:
Release Date : 1970
The Biology Of Twinning In Man written by M. G. Bulmer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
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The Biology Of Twins Mammals
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Author : Horatio Hackett Newman
language : en
Publisher:
Release Date : 1917
The Biology Of Twins Mammals written by Horatio Hackett Newman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1917 with Twins categories.
The Biology Of Twins Mammals
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Author : Horatio Hackett Newman
language : en
Publisher: Forgotten Books
Release Date : 2015-06-24
The Biology Of Twins Mammals written by Horatio Hackett Newman and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-24 with Science categories.
Excerpt from The Biology of Twins (Mammals) The present volume brings together for the first time a considerable mass of data dealing with the phenomenon of twins in man and other mammals. Twins are so inherently interesting to so many people that it is hoped by the writer that some light on how twins "happen" will be welcomed by the general reader as well as by the biologist. There are many thoroughly interesting and nontechnical phases of twin-biology that will appeal to anyone who is a twin or has personal acquaintance with twins. There must be certain other phases of the subject, however, that are largely of value to the professional biologist. It has been the aim of this book to satisfy both the general and the technical reader without sacrificing unduly the demands of simplicity on the one hand or of scientific adequacy on the other. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
The Biology Of Twinning
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Author : Miriam Earle James
language : en
Publisher:
Release Date : 1929
The Biology Of Twinning written by Miriam Earle James and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1929 with categories.
Twin And Higher Order Pregnancies
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Author : Asma Khalil
language : en
Publisher: Springer Nature
Release Date : 2021-12-02
Twin And Higher Order Pregnancies written by Asma Khalil and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-02 with Medical categories.
This book provides a comprehensive update on the management of multiple pregnancy, which is becoming more common, and is associated with increased maternal and perinatal mortality and morbidity. Offering a practical guide and a wealth of videos, images and illustrations, the book will help clinicians to feel more confident when caring for women with multiple pregnancy. Its main objectives are: To increase the level of knowledge of healthcare professionals involved in the care of these women; To update their knowledge in keeping with the recommendations of the latest national and international guidelines; and To promote a multidisciplinary approach to the management of women with multiple pregnancy.
Francis Galton
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Author : Michael Bulmer
language : en
Publisher: JHU Press
Release Date : 2004-12-01
Francis Galton written by Michael Bulmer and has been published by JHU Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12-01 with Biography & Autobiography categories.
If not for the work of his half cousin Francis Galton, Charles Darwin's evolutionary theory might have met a somewhat different fate. In particular, with no direct evidence of natural selection and no convincing theory of heredity to explain it, Darwin needed a mathematical explanation of variability and heredity. Galton's work in biometry—the application of statistical methods to the biological sciences—laid the foundations for precisely that. This book offers readers a compelling portrait of Galton as the "father of biometry," tracing the development of his ideas and his accomplishments, and placing them in their scientific context. Though Michael Bulmer introduces readers to the curious facts of Galton's life—as an explorer, as a polymath and member of the Victorian intellectual aristocracy, and as a proponent of eugenics—his chief concern is with Galton's pioneering studies of heredity, in the course of which he invented the statistical tools of regression and correlation. Bulmer describes Galton's early ambitions and experiments—his investigations of problems of evolutionary importance (such as the evolution of gregariousness and the function of sex), and his movement from the development of a physiological theory to a purely statistical theory of heredity, based on the properties of the normal distribution. This work, culminating in the law of ancestral heredity, also put Galton at the heart of the bitter conflict between the "ancestrians" and the "Mendelians" after the rediscovery of Mendelism in 1900. A graceful writer and an expert biometrician, Bulmer details the eventual triumph of biometrical methods in the history of quantitative genetics based on Mendelian principles, which underpins our understanding of evolution today.
How New Humans Are Made
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Author : Charles E. Boklage
language : en
Publisher: World Scientific
Release Date : 2010
How New Humans Are Made written by Charles E. Boklage and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Embryology, Human categories.
It is not okay to call something a miracle without even trying to understand it. This is human developmental biology (human embryology, in terms of cells and molecules) for everyone curious enough to see it through, from the perspective of the business of becoming human as individuals and as species; making new humans; how it happens (cells do it, ALL of it); and common variations of the process. It cannot be made quite simple and be kept quite true, but we will move as far toward simple as we can without losing touch with sound evidence. Variations from the normal version of the process, particularly malformations and twinning and chimerism, figure prominently in the story because there is no better way to learn about the usual than to study the unusual and see what differences in the endings these observable differences at the beginnings can make. In this book, when technical terminology is the only way, or the best way, to say what needs to be said, it is defined and explained making the words a worthwhile part of what is here to be learned. This book defines its own new field. We cannot claim to understand how anything human] works as human], with no effort at understanding the emergence of its form and functions. Old and new unanswered questions are waiting to be dug out from under old unquestioned answers about how becoming human unfolds. We will also address some popular and weighty, but deeply empty assertions about the circumstances and mechanisms of our beginnings and our ceaseless becoming. We will find fundamental questions from the humanities' unanswerable except from biology. Human developmental biology is a foundational discipline within the humanities.
Twin Studies
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Author : Grant C Townsend
language : en
Publisher: University of Adelaide Press
Release Date : 2015-10-08
Twin Studies written by Grant C Townsend and has been published by University of Adelaide Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-08 with Health & Fitness categories.
This volume is about an ongoing long-term research initiative led by researchers from the School of Dentistry at the University of Adelaide. The aim of this book is to provide an overview of the studies of the teeth and faces of Australian twins and their families that have extended over more than thirty years.
Culture Media Solutions And Systems In Human Art
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Author : Patrick Quinn
language : en
Publisher: Cambridge University Press
Release Date : 2014-03-27
Culture Media Solutions And Systems In Human Art written by Patrick Quinn and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-27 with Health & Fitness categories.
Detailed discussion of the history, current status and significance of ART media and the culture systems for their use.