Evolution
Evolution
4th Edition
ISBN: 9781605356051
Author: Douglas Futuyma, Mark Kirkpatrick
Publisher: SINAUER
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Chapter 16, Problem 4PDT
Summary Introduction

To determine: The way in which researchers working on phylogenetic researches may be misled.

Introduction: Phylogenetic trees can be drawn to trace the evolutionary history of organisms. If some changes are seen on a branch, it can be assumed that mutations are rare and hence, it can be assumed that multiple mutations will rarely occur at the same locus. On a longer branch, having greater number of mutations, it is assumed that multiple mutations occur at the same locus.

Summary Introduction

To determine: The relation of the saturation of the curve showing sequence divergence of the third position of codons with the errors cause due to the length of the branch.

Introduction: Phylogenetic trees can be drawn to trace the evolutionary history of organisms. If some changes are seen on a branch, it can be assumed that mutations are rare and hence, it can be assumed that multiple mutations will rarely occur at the same locus. On a longer branch, having greater number of mutations, it is assumed that multiple mutations occur at the same locus.

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