Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 11 - The Cell Cycle and Cell Division - 11.7 - Unregulated Cell Division Can Lead to Cancer - 11.7 Recap - Learning Outcomes - Page 237: 1

Answer

Proto-oncogenes and tumor-suppressor genes play a vital role in cancer inhibition. These genes code for many proteins that control cell growth and proliferation. Mutations in these genes often allow cancer to develop. Most human tumors have deactivating mutations in proteins that normally affect cell cycle checkpoints, halting the step if damaged DNA is detected.

Work Step by Step

Proto-oncogenes and tumor-suppressor genes play a vital role in cancer inhibition. These genes code for many proteins that control cell growth and proliferation. Mutations in these genes often allow cancer to develop. Most human tumors have deactivating mutations in proteins that normally affect cell cycle checkpoints, halting the step if damaged DNA is detected.
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