Answer
c
Work Step by Step
A pleiotropic gene affects three or more traits. Complex diseases such as sickle-cell anemia and cystic fibrosis are caused by mutations in pleiotropic genes.
Biology: The Unity and Diversity of Life (14th Edition)
by Starr, Cecie; Taggart, Ralph; Evers, Christine; Starr, Lisa
Published by
Brooks/Cole Publishing Co.
ISBN 10:
1305073959
ISBN 13:
978-1-30507-395-1
Chapter 13 - Self-Quiz - Page 214: 11
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