Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 50, Problem 14TYK
Summary Introduction

To review:

The findings of the evolution of embryonic development when the ventral side of Xenopus embryo shows dorsal structures.

Introduction:

Xenopus is a genus of aquatic frogs. The development of the embryo in amphibians is influenced by the unequal distribution of the yolk. It is observed that a dorsal–ventral axis is developed by the gray crescent, and the gastrulation takes place at the dorsal lip of the blastopore. It is on the dorsal blastopore that a neural plate, precursor for spinal cord, and head is formed.

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