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Process of Evolution Chapter 18
Evolution in a Genetic Context (Population Genetics) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Microevolution What could cause CHANGES in allele frequencies?
Causes of Microevolution ,[object Object],[object Object],[object Object],[object Object],[object Object]
Gene Flow
Causes of Microevolution ,[object Object],[object Object],[object Object],[object Object]
Causes of Microevolution ,[object Object],[object Object],[object Object],[object Object]
Genetic Drift ,[object Object],[object Object]
Genetic Drift ,[object Object],[object Object],[object Object],[object Object]
Founder effect Sample of  original population Descendants Founding  population B Founding  population A
Natural Selection ,[object Object],[object Object]
Hardy-Weinberg Principle ,[object Object],[object Object],[object Object]
Hardy-Weinberg Principle ,[object Object],What could cause CHANGES in allele frequencies?
Hardy-Weinberg Principle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardy-Weinberg ,[object Object],[object Object]
Hardy-Weinberg Math ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardy-Weinberg Math ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardy-Weinberg Math ,[object Object],[object Object]
Hardy-Weinberg Math ,[object Object],[object Object],[object Object],[object Object]
Hardy-Weinberg Math ,[object Object]
Hardy-Weinberg Math ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardy Weinberg Math ,[object Object],[object Object],[object Object],[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object],[object Object],[object Object],[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object],[object Object],[object Object],[object Object],[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object],[object Object],[object Object],[object Object],[object Object]
H-W Practice:  Practice Problems 18.1 ,[object Object],[object Object],[object Object],[object Object],[object Object],f TT  = 0.49 f Tt   = 0.42 f TT   = 0.09
Types of Selection ,[object Object],[object Object],[object Object]
Directional Selection
Types of Selection ,[object Object],[object Object],[object Object]
Stabilizing Selection
Types of Selection ,[object Object],[object Object],[object Object]
Disruptive Selection
Maintenance of Variations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Speciation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproductive Isolating Mechanisms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproductive Isolating Mechanisms ,[object Object],[object Object],[object Object],[object Object],[object Object]
Modes of Speciation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Adaptive Radiation ,[object Object],[object Object]
 

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Chapter18