Developmental Biology
Developmental Biology
11th Edition
ISBN: 9781605354705
Author: Scott F. Gilbert, Michael J. F. Barresi
Publisher: Sinauer Associates is an imprint of Oxford University Press
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Chapter 13, Problem 4DQ
Summary Introduction

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The effect of cells when they are in moving condition instead of static, on morphogenetic system that relays the positional information about the development of cell identity. And also determine the effect of this condition on dynamics of gradient interpretation.

Introduction:

The dorsal- ventral axis of the neural tube is polarized, as in case of spinal cord, dorsal region consist the sensory neurons and ventral region consists of motor neurons. These differentiated cell types originate from the proginator cell populations, located adjacent to the brain cavity runs along the anterior to posterior axis. The regulation of the proginator domain is defined by the expression of specific transcription factors, like the products of Hox genes. The positional information related to dorsal-ventral polaity is induced by the morphogenetic signals released from the adjacent environment.

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