Chapter 21, And Chapter 1, Outline

Darwin And Genes Within Populations

Advanced Placement Biology

RoslynHigh School

Chapter 1 (Pages 8 – 14)

Darwin’s Theory Of Evolution Illustrates How Science Works.

Who Was Charles Darwin?

What Was Darwin’s Evidence For His Theory Of Evolution?

What Did DarwinSee?

How Did He Invent The Hypothesis Of Natural Selection?

What Is The Relationship Between Darwin And Malthus?

What Is Natural Selection?

How Did DarwinDraft His Argument?

How Did Wallace Develop The Same Idea?

When Did DarwinPublish His Hypothesis?

What Evidence For Evolution Has Been Found Since Darwin?

How Does The Fossil Record Support Darwin’s Theory Of Evolution?

What Is The Estimated Age Of The Earth?

What Is The Mechanism Of Heredity?

How Does Comparative Anatomy Support The Theory Of Evolution?

How Does Molecular Evidence Support The Theory Of Evolution?

How Do Molecular Clocks Support The Theory Of Evolution?

How Do Phylogenetic Trees Support The Theory Of Evolution?

Chapter 21

Genes Vary In Natural Populations.

Why Is The Theory Of Evolution Considered Descent With Modification?

How Is Natural Selection An Important Mechanism Of Evolutionary Change?

Why Is There Genetic Variation In Nature?

How Can Levels Of Genetic Variation Be Measured?

What Is Enzyme Polymorphism?

What Are DNA Sequence Polymorphisms?

Why Do Allele Frequencies Change In Populations?

How Does The Hardy-Weinberg Principle Illustrate Changes In Allele Frequency?

How Can The Hardy-Weinberg Equation Be Used?

Why Do Allele Frequencies Change?

Why Are Each Of The Following Agents Of Evolutionary Change?

Mutation

Gene Flow

Nonrandom Mating

Genetic Drift

Founder Effect

Bottleneck Effect

Selection

Selection To Avoid Predators

Selection To Match Climatic Conditions

Selection To Pesticide Resistance

How Can Fitness Be Measured?

What Are The Components Of Fitness?

How Do Evolutionary Forces Interact?

What Is The Relationship Between Gene Flow And Natural Selection?

How Does Natural Selection Maintain Variation In Populations?

What Is Frequency-Dependent Selection?

What Is Oscillating Selection?

Why Do Heterozygotes Sometimes Have An Advantage?

Selection Can Act On Traits Affected By Many Genes.

How Is Each Of The Following A Form Of Selection?

Disruptive Selection

Directional Selection

Stabilizing Selection

How Is Color Selected In Guppies?

How Do Guppies Occupy Different Environments?

How Do The Following Illustrate Color Evolution In Guppies?

Laboratory Experiment

Field Experiment

How Do Each Of The Following Illustrate That There Are Limits To What Selection Can Accomplish?

Genes Have Multiple Effects

Evolution Requires Genetic Variation

Gene Interactions Affect Fitness Of Alleles