PRINCIPLES OF LIFE
PRINCIPLES OF LIFE
3rd Edition
ISBN: 9781319017712
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 14, Problem 1.2Q
Summary Introduction

To describe: That what does the root of the tree represents.

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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