Pinker, Steven
placentae
attached
fused
fraternal twins and
identical twins and
methylation profiles and
resorption of fetus by
separate
shared
TTTS (twin-to-twin transfusion syndrome) and 178
visual problems and
Plautus
ponderal index
Poset, Sharon
Poznanski, Lucian
premature births
presumed twins
psychiatric disorders
psychology
developmental psychology
evolutionary psychology
quadruplets
Quiroga
Ramos, Diana
rapport between twins
reared-apart twins/triplets
ability profiles and
appearance and
bereavement studies and
brains and
Caroline and Margaret
circumstances. 87, 110, 167n12
defining
diet and
DNA and
epidemics and
general health and
genetic effects and
HEXACO and
identical vs. fraternal
IQ and
Jack and Oskar
Mark and Jerry
personality traits
physical comfort with one another
physical traits
rapport and
religion and
Sharon and Debbie
sports participation and
studies on
switched-at-birth
See also identical twins
Red Cross Restoring Family Links Program
religion
Debbie and Sharon
identical twins and
identity and
Jorge and William
La Paz
Mark and Jerry
Mary and Elaine
Religiosity
twin research and
as source of conflict
William and Wilber
replicas
reunion, of twins
Roger (Brooks) and Tony (Milasi)
Rosenthal, Jared
same-sex partners
See also sexuality
same-sex siblings
Sanabria, Edgar Rey
satisfaction
intrinsic vs. extrinsic
job satisfaction
schizophrenia
Segal, Nancy L.
self-esteem
Séptimo Día (TV show)
See also “Crossed Lives”
Serrano, Manon
sexual orientation. See sexuality
sexuality
first sexual experiences
gender identity and
paternity and
sexual aversion
sexual orientation
women and
simultaneous conception
skin
color
grafts
maternal connection to babies and
Skrzynecky, George
smoking habits
soccer
See also football (fútbol)
splitting of fertilized egg
sports participation
Springer, Jim. See Jim twins
St. Martin’s Press
“Street of Twins”
STRs (short tandem repeat)
Suleman, Nadya
surrogacy
switched-at-birth brothers (Japanese)
switched-at-birth twins/non-twins
Begoña and Delia
Brent and George
Canada
chronology of
environment and
fraternal twins and
Gran Canaria (Spain)
identical twins
infant misplacements
Joye family
Kasia and Edyta
knowledge of
Poland
Puerto Rico
reared-apart twins
Switzerland
Vatter family
Talon Medical Ltd.
Torres, Andres Sanchez
Torres, Marco Fidel
transsexuality
See also sexuality
Tremblay family
Tremblay, Brent
triplets
Triviño, Norman Enrique Bernal
TTTS. See twin-to-twin transfusion syndrome
twin-family relations
Twin Sin
twin-to-twin transfusion syndrome (TTTS)
twinning
age and
ethnicity
families
fertility treatments and
fraternal twins
genetics and
handednesss and
identical twins
insulin growth factor and
world rates of
twins and interesting facts
uniqueness
See also identity
urban vs. rural environments
values
vanishing twin syndrome
Vatter family
Vereda El Recreo
Vergara, Sofía
virtual twin pairs
Jorge and Carlos
William and Wilber
virtual twins
vision
voice and speech patterns
Webb, Nicholas
weight, 13, 39, 50, 74, 84, 97, 172, 177, 190n1
Wechsler Adult Intelligence Scale-IV (WAIS-IV)
See also IQ
WhatsApp
Williams, Ray
X chromosome
Y chromosome
Yunis, Emilio J.
Yunis, Juan J.
OTHER BOOKS BY NANCY L. SEGAL
Entwined Lives: Twins and What They Tell Us About Human Behavior
Indivisible by Two: Lives of Extraordinary Twins
Someone Else’s Twin: The True Story of Babies Switched at Birth
Born Together-Reared Apart: The Landmark Minnesota Twin Study
Twin Mythconceptions: False Beliefs, Fables, and Fact About Twins
Please visit Nancy Segal’s website for new reviews, documents, photographs, and other information about Accidental Brothers as it becomes available: http://drnancysegaltwins.org/accidental-brothers
ABOUT THE AUTHORS
DR. NANCY SEGAL is Professor of Psychology at California State University, Fullerton (CSUF), and director of the Twin Studies Center, which she founded in 1991. Dr. Segal has authored over two hundred scientific articles and book chapters, as well as several books on twins, including the award-winning Born Together—Reared Apart: The Landmark Minnesota Twin Study. In 2014, Dr. Segal was recognized by the Orange County Register as one of the hundred most influential people in twin studies in Orange County, California. Dr. Segal has also received international awards, including the James Shields Award for Lifetime Contributions to Twin Research (International Society for Twin Studies), and the Making a Difference Award (Multiple Births Canada). Her research has appeared in the New York Times and New York Review of Books, and she has been interviewed on Good Morning America, the Today show, Sunday Morning, and National Public Radio. She was an invited speaker at the 2017 TEDx event in Manhattan Beach, California.
Visit http://drnancysegaltwins.org/accidental-brothers, or sign up for email updates here.
Yesika S. Montoya is a psychologist in her native country of Colombia with a degree from the Universidad Santo Tomas (2000). She earned a Master’s degree in Social Work from Fordham University (2005), and has clinical work experience providing psychotherapy to children, adolescents, adults, and people affected by homelessness, mental illness, chemical addiction, and HIV. Ms. Montoya also worked with rescue, recovery, and cleanup workers after the 9/11 attacks in New York City. She is currently employed in higher education as an associate director of advising a
nd an adjunct faculty member at the Columbia University School of Social Work. You can sign up for email updates here.
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For email updates on Nancy L. Segal, click here.
For email updates on Yesika S. Montoya, click here.
Contents
Title Page
Copyright Notice
Dedications
Epigraph
Preface
The Main Characters
Landmarks and Landscapes
Prologue: Tales of Two Mothers
1. A Dubious Double: Brothers from La Paz
2. Familiar Strangers: Brothers from Bogotá
3. Miles of Memories: Twins Past and Present
4. The Friends Investigate: Mysteries Deepen
5. Revelations: Telling Their Families
6. Finding the Colombian Four: Twins and Other Curious Pairs
7. Discoveries: Twins’ Physical and Behavioral Traits
8. Another World: La Paz and Beyond
9. Different Versions of the Same Song
10. “Twin-Bred” Cultures: Personality Profiles and Twin Relations
11. Twins, Pairs, and Pedigrees
12. Band of Brothers: Circle Game
Appendix A. History: Switched-at-Birth Twins
Appendix B. Outtakes: Excerpts from Laura and Yaneth’s WhatsApp Conversations
Appendix C. Genograms: Tracking Twins Across Generations
Appendix D. Discoveries: Ability Profiles
Appendix E. Interesting and Intriguing: Facts About Twins
Acknowledgments
Photos
Notes
Index
Other Books by Nancy L. Segal
About the Authors
Copyright
ACCIDENTAL BROTHERS. Copyright © 2018 by Nancy L. Segal and Yesika S. Montoya. All rights reserved. For information, address St. Martin’s Press, 175 Fifth Avenue, New York, N.Y. 10010.
www.stmartins.com
Map of twins’ birthplaces by Kelly Donovan
Cover design by Rowen Davis
Cover art: silhouette with city illustration by Rowen Davis; city © Jose Luis Stephens/Shutterstock.com; silhouette with village © Viktora/Shutterstock.com; village © Steve Allen/Shutterstock.com; road © Dudarev Mikhail/Shutterstock.com
The Library of Congress Cataloging-in-Publication Data is available upon request.
ISBN 978-1-250-10190-7 (hardcover)
ISBN 978-1-250-10191-4 (ebook)
eISBN 9781250101914
Our ebooks may be purchased in bulk for promotional, educational, or business use. Please contact the Macmillan Corporate and Premium Sales Department at 1-800-221-7945, extension 5442, or by email at [email protected].
First Edition: April 2018
Accidental Brothers Page 34