Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 43 - Animal Development - 43.1 - Fertilization Activates development - 43.1 Recap - Learning Outcomes - Page 918: 2

Answer

After sperm entry, the GSK-3 inhibitor travels down microtubules to reach the gray crescent, where it prevents β-catenin breakdown. Because of this, the concentration of β-catenin is noticeably higher on the dorsal side than on the ventral side of the embryo.

Work Step by Step

After sperm entry, the GSK-3 inhibitor travels down microtubules to reach the gray crescent, where it prevents β-catenin breakdown. Because of this, the concentration of β-catenin is noticeably higher on the dorsal side than on the ventral side of the embryo.
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