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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 3QP
Textbook Problem
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Benign tumors:

  1. a. are noncancerous growths that do not spread to other tissues
  2. b. do not contain mutations
  3. c. are malignant and clonal in origin
  4. d. metastasize to other tissues
  5. e. none of these

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:

The term cancer is used to denote malignant tumor that can spread from one organ to another and induce cancer at the localized place. Cancer is the malignant property of the cell and benign tumor do not spread to the other tissues and are noncancerous.

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

Benign tumors are localized to a particular location and do not spread to other tissues. Benign tumors are called noncancerous as they are nonmalignant. Hence, the correct answer is option a.

Reason for incorrect answer:

Option b. is given as, “do not contain mutations”

Benign cells show uncontrolled growth due to a mutation in the genome. Hence, option b. is incorrect...

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