Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1259188132
ISBN 13: 978-1-25918-813-8

Chapter 20 - Genes Within Populations - Review Questions - Understand - Page 419: 3

Answer

D.

Work Step by Step

D. is correct since all of A.-C. can confound selection in some way, A. because selection is pushed in two different directions in that choice. B. would be a case with nothing for natural selection to act upon, and C. mentions the case where genes produce multiple phenotypic effects, which could raise the same conflict as in A.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.