PRINCIPLES OF LIFE:DIGITAL...-ACCESS
PRINCIPLES OF LIFE:DIGITAL...-ACCESS
3rd Edition
ISBN: 9781319450366
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 14, Problem 1.3Q
Summary Introduction

To describe: The representation of nodes.

Introduction: The complete sequencing of genomes of various organisms has led the biologist to confirm that all of the life forms are related through a common ancestor. Many model organisms are used to study the gene expression, since the organisms share an evolutionary relationship. The evolutionary history of these relationship is called phylogeny.

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You aim to test the hypothesis that the Tbx4 and Tbx5 genes inhibit each other's expression during limb development. With access to chicken embryos and viruses capable of overexpressing Tbx4 and Tbx5, describe an experiment to investigate whether these genes suppress each other's expression in the limb buds. What results would you expect if they do repress each other? What results would you expect if they do not repress each other?
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