Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 25 - Evolution of Development - Review Questions - Apply: 4

Answer

B.

Work Step by Step

B. says that gene regulation is changed, which is the only possible explanation since we are told that the coding region is unchanged. A. and B. contradict the statement that the coding region is unchanged, and D. is wrong because the question says that one species does not develop black wing spots.
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