Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 20 - 20.2 - Concept Check: 2

Answer

A scientist would be interested in both the red and green spots.

Work Step by Step

Because the best way to understand the cancer genes is to study the normal tissue in addition to the cancerous tissue to better understand why one tissue is cancerous and another is not. By studying the healthy tissue, we'll see what genes were switched off , but were turned on in the cancerous tissue to be able to obtain a complete understanding of the gene expression in cancerous tissues.
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