AP Biology Chapter 23 Notes
*Note from Mr. D
You are welcome to write your notes in a notebook as well but this sheet will be due in your binders at the end of each unit. Your book research must say something different
then the classroom notes unless boxes are merged.
Topics and Research
Questions
Classroom Notes/Book Research
Importance of Genetic
Variation:
What is genetic variation and
what contributes to it?
Example 1
Importance of Genetic
Variation:
How does geography play a role
in Genetic Variation?
Importance of Genetic
Variation:
What mutations are passed on?
Importance of Genetic
Variation:
What is a point mutation?
Importance of Genetic
Variation:
Explain why many mutations
are neutral.
Importance of Genetic
Variation:
Explain the Olfactory example
of duplication mutations.
Importance of Genetic
Variation:
How does sexual reproduction
promote genetic variation?
Population Genetics:
Define the gene frequency of a
gene pool of a population.
Example 2
Example 3
Population Genetics:
What is the Hardy-Weinberg
Principle?
Population Genetics:
What are the five conditions of
a population that isn’t evolving?
Population Genetics:
What is the Hardy-Weinberg
equation?
Equation
Genetic Drift:
Describe three types of genetic
drift.
1
1. Outcome
Genetic Drift:
What are two possible outcomes
of genetic drift?
Genetic Drift:
Gene Flow leads to ??????
Description
2
3
2. Outcome
Natural Selection:
Describe how Natural Selection
can be a mechanism of
changing allele frequencies
within a population.
Natural Selection:
What are three types of
selection that can lead to a
change in allele frequency
Natural Selection:
Describe the limitations of
Natural Selection.