Biology
Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 24.2, Problem 1CC
Summary Introduction

To determine: The way in which directional selection affects genetic diversity in a population of mice on an island over the short run.

Introduction: Directional selection can be defined as a type of natural selection which favors an extreme phenotype over other phenotypes. It shifts frequency of allele in the direction of extreme phenotype over the time.

Summary Introduction

To determine: The way in which directional selection affects genetic diversity in a population of mice on an island over the long run.

Introduction: Directional selection can be defined as a type of natural selection which favors an extreme phenotype over other phenotypes. It shifts frequency of allele in the direction of extreme phenotype over the time.

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Try to outline a scenario explaining the evolution of the three species shown in panel g. Use migration, mutation, genetic drift, selection, reproductive isolation, gene flow, extinction, and many generations in your scenario. Based on your scenario, what are the components that are necessary in a population in order for it to split or diverge into two new daughter species from a single ancestor (the parent species)?
Systematics and Evolution Would natural selection work better on a large population or a small population? ( Consider the effects of genetic drift )
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