Inherited Twins
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The Inherited Twins
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Author : Cathy Gillen Thacker
language : en
Publisher: Harlequin
Release Date : 2008-10-01
The Inherited Twins written by Cathy Gillen Thacker and has been published by Harlequin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-10-01 with Fiction categories.
They're Her Family Now… Claire Olander is determined to create a loving, stable home for her newly orphaned niece and nephew. That means holding on to the sprawling Texas spread that's been in her family for generations. Which is where Heath McPherson comes in. The tall, dark and gorgeous banker has all sorts of ideas for getting Red Sage Ranch out of the red. But the more he hangs around this instant family, the less he can resist the spirited twins. And that goes double for their new single mother. Can Heath help Claire work a miracle—one that will save her home and create a real home on the ranch for all of them?
Inherited Twins
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Author : Jessica Hart
language : en
Publisher: Harlequin
Release Date : 2014-08-15
Inherited Twins written by Jessica Hart and has been published by Harlequin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-15 with Fiction categories.
Strong, silent Outback rancher Nat Masterman doesn’tknow the first thing about babies. Yet he’s just become theguardian of eight-month-old twins—and he has to go toLondon to collect them! Prue wishes she’d never told her English family shewould be bringing a gorgeous, rugged Australian homefor her sister’s wedding. There is no such man! At least,not until Prue meets Nat—and they decideto go to London together…
Heredity Environment And Personality
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Author : John C. Loehlin
language : en
Publisher: University of Texas Press
Release Date : 2014-11-06
Heredity Environment And Personality written by John C. Loehlin and has been published by University of Texas Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-06 with Psychology categories.
This volume reports on a study of 850 pairs of twins who were tested to determine the influence of heredity and environment on individual differences in personality, ability, and interests. It presents the background, research design, and procedures of the study, a complete tabulation of the test results, and the authors’ extensive analysis of their findings. Based on one of the largest studies of twin behavior conducted in the twentieth century, the book challenges a number of traditional beliefs about genetic and environmental contributions to personality development. The subjects were chosen from participants in the National Merit Scholarship Qualifying Test of 1962 and were mailed a battery of personality and interest questionnaires. In addition, parents of the twins were sent questionnaires asking about the twins’ early experiences. A similar sample of nontwin students who had taken the merit exam provided a comparison group. The questions investigated included how twins are similar to or different from nontwins, how identical twins are similar to or different from fraternal twins, how the personalities and interests of twins reflect genetic factors, how the personalities and interests of twins reflect early environmental factors, and what implications these questions have for the general issue of how heredity and environment influence the development of psychological characteristics. In attempting to answer these questions, the authors shed light on the importance of both genes and environment and form the basis for different approaches in behavior genetic research.
Twins
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Author : Kay Cassill
language : en
Publisher: Atheneum Books
Release Date : 1982
Twins written by Kay Cassill and has been published by Atheneum Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Family & Relationships categories.
On cover: Human, historical and scientific revelations about multiple births.
Born Together Reared Apart
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Author : Nancy L. Segal
language : en
Publisher: Harvard University Press
Release Date : 2012-06-18
Born Together Reared Apart written by Nancy L. Segal and has been published by Harvard University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-18 with Psychology categories.
The identical “Jim twins” were raised in separate families and met for the first time at age thirty-nine, only to discover that they both suffered tension headaches, bit their fingernails, smoked Salems, enjoyed woodworking, and vacationed on the same Florida beach. This example of the potential power of genetics captured widespread media attention in 1979 and inspired the Minnesota Study of Twins Reared Apart. This landmark investigation into the nature-nurture debate shook the scientific community by demonstrating, across a number of traits, that twins reared separately are as alike as those raised together. As a postdoctoral fellow and then as assistant director of the Minnesota Study, Nancy L. Segal provides an eagerly anticipated overview of its scientific contributions and their effect on public consciousness. The study’s evidence of genetic influence on individual differences in traits such as personality (50%) and intelligence (70%) overturned conventional ideas about parenting and teaching. Treating children differently and nurturing their inherent talents suddenly seemed to be a fairer approach than treating them all the same. Findings of genetic influence on physiological characteristics such as cardiac and immunologic function have led to more targeted approaches to disease prevention and treatment. And indications of a stronger genetic influence on male than female homosexuality have furthered debate regarding sexual orientation.
The Trouble With Twin Studies
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Author : Jay Joseph
language : en
Publisher: Routledge
Release Date : 2014-11-20
The Trouble With Twin Studies written by Jay Joseph and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-20 with Psychology categories.
The Trouble with Twin Studies questions popular genetic explanations of human behavioral differences based upon the existing body of twin research. Psychologist Jay Joseph outlines the fallacies of twin studies in the context of the ongoing decades-long failure to discover genes for human behavioral differences, including IQ, personality, and the major psychiatric disorders. This volume critically examines twin research, with a special emphasis on reared-apart twin studies, and incorporates new and updated perspectives, analyses, arguments, and evidence.
Methodology For Genetic Studies Of Twins And Families
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Author : M. Neale
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Methodology For Genetic Studies Of Twins And Families written by M. Neale and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Medical categories.
Few would dispute the truth of the statement `People are Different', but there is much controversy over why. This book authoritatively explains the methods used to understand human variation, and extends them far beyond the primary `nature or nurture' question. After chapters on basic statistics, biometrical genetics, matrix algebra and path analysis, there is a state-of-the-art account of how to fit genetic models using the LISREL package. The authors explain not only the assumptions of the twin method, but how to test them. The elementary model is expanded to cover sex limitation, sibling interaction, multivariate and longitudinal data, observer ratings, and twin-family studies. Throughout, the methods are illustrated by applications to diverse areas such as obesity, major depression, alcohol comsumption, delinquency, allergies, and common fears.
Twins As A Tool Of Behavioral Genetics
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Author : T. J. Bouchard
language : en
Publisher:
Release Date : 1993
Twins As A Tool Of Behavioral Genetics written by T. J. Bouchard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Family & Relationships categories.
Twins as a Tool of Behavioral Genetics Edited by T. J. Bouchard, Jr. P. Propping Every human being is genetically unique and consequently genetically different from every other human being. The one exception is identical (monozygotic) twins, who share exactly the same genome. Fraternal (dizygotic) twins share half of their genes in common by descent. Twins of both types constitute "an experiment of nature". Because it is unethical to carry out powerful experiments on human beings in order to explore the causes of variation in human traits, this natural experiment with all of its vicissitudes is one of the few windows we have with which to view the genetic and environmental determinants of complex human behavioral traits. Many scientists believe that twins can only be used to estimate "heritability" and that they reveal nothing about how genes influence behavior. In addition, they argue that modern molecular genetics will quickly make twin research obsolete. These widely held views are largely incorrect. Twins are a unique and very powerful tool for exploring a wide variety of hypotheses about both the distal (mostly genetic) and proximal (mostly environmental) origins of human individual differences. Scientific knowledge accumulates most rapidly when scientists ask the right questions and utilize the right tools—the right tools for the job. This book attempts to highlight the questions that might be most productively addressed through the use of twin designs. Every tool, however, has its limitations. This book carefully examines the limitations and assumptions associated with the application of the method to each of the domains discussed. Goal of this Dahlem Workshop: to evaluate the environmental and genetic mechanisms underlying the structure and development of behavior in twins studies: the achievements, limitations, and potentials.
Monozygotic Twins Brought Up Apart And Brought Up Together
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Author : James Shields
language : en
Publisher:
Release Date : 1962
Monozygotic Twins Brought Up Apart And Brought Up Together written by James Shields and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Psychology categories.
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.