Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 17, Evolution of Populations - Assessment - 17.1 Genes and Variation - Understand Key Concepts/Think Critically - Page 504: 2



Work Step by Step

A mutation that increases an individual's fitness is a beneficial mutation. Option a. is incorrect because harmful mutations decrease an individual's fitness. Option b. is incorrect. Neutral mutations neither increase nor decrease an individual's fitness. Option d. is incorrect. Chromosomal mutations can be harmful, neutral, or beneficial, depending on what is affected.
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