Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 14, Human Heredity - Assessment - 14.2 Human Genetic Disorders - Understand Key Concepts/Think Critically - Page 412: 11


The picture depicts an individual with Down's Syndrome.

Work Step by Step

We know that this individual has Down's Syndrome, also called Trisomy 21, because he or she has three copies of chromosome 21.
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