Copyright © 2012 by Bryan Sykes
All rights reserved
First Edition
Note: Names of some characters from Hollywood films have been used as pseudonyms for
DNA respondents throughout the book. These references appear in quotation marks.
Credits: DNA USA volunteers thumbnail portraits: Dr. Justin Barrett, Aaron
Gray, Jean-Luc Jucker, Dr. Rick Kittles, Dr. Jay Lewis, New England Historic
Genealogy Society, Meriwether Schmid, Bryan Sykes; journey images: Bryan
Sykes; chapter opener sketches and U.S. location map: Richard Sykes.
For information about permission to reproduce selections from this book,
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W. W. Norton & Company, Inc., 500 Fifth Avenue, New York, NY 10110
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Book design by Chris Welch
Production manager: Devon Zahn
Library Of Congress Cataloging-In-Publication Data
Sykes, Bryan.
DNA USA : a genetic portrait of America / Bryan Sykes.
p. cm.
Includes bibliographical references and index.
ISBN 978-0-87140-412-1 (hardcover)
1. Human population genetics—United States—Popular works.
2. Human genetics—Popular works. I. Title.
GN290.U6.S95 2012
559.93’50973—dc23
2011053182
Liveright Publishing Corporation
500 Fifth Avenue, New York, N.Y. 10110
W. W. Norton & Company Ltd.
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