Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 53 - Animal Development - Review Questions - Understand: 1

Answer

D.

Work Step by Step

When the sperm fuses with the egg, the outside of the egg resists further sperm fusions (B.), the egg activates metabolically (A.), and the cytoplasmic contents rearrange (C.), making D. the best answer choice.
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