Biology 2010 Student Edition

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

Chapter 16, Darwin's Theory of Evolution - 16.4 - Evidence of Evolution - 16.4 Assessment - Page 473: 4a

Answer

To look for common ancestory, scientists may look to hox genes and embryological development

Work Step by Step

If two organisms have very similar nitrogenous bases in their hox genes and they appear very similar as embryos, they are likely closely related.
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