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Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052

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BuyFindarrow_forward

Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052
Chapter 12, Problem 5QP
Textbook Problem
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Metastasis refers to the process in which:

  1. a. tumor cells die
  2. b. tumor cells detach and move to secondary sites
  3. c. cancer does not spread to other tissues
  4. d. tumors become benign
  5. e. cancer can be cured

Summary Introduction

Introduction: Tumors are defined as the mass of cell that shows uncontrolled division. Benign tumor and malignant tumor are two different types of tumors. If the tumor remains at their site of origin it is called as a benign tumor and if the tumor starts migrating to the new site and affect nearby cells it is known as a malignant tumor. Cancer may occur due to environmental factors and man-made factors.

Explanation of Solution

Reason for correct answer:

Metastasis is the property of malignant tumor. In this property, the cancerous cells detach from the site of the origin and move to a secondary site where they initiate development of another cancer.

Option b. is given as “are noncancerous growths that do not spread to other tissues”

Metastasis refers to the process in which tumor cells detach and move to secondary sites. Hence, the correct answer is option b.

Reason for incorrect answer:

Option a. is given as “tumor cells die”

The cancer cells are nonmotile cells and do not die naturally. Hence, option a. is incorrect.

Option c...

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