Download Unit 7 Lesson 16.2 Mon 2/27, Tues 2/28 Objective: Students can

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Unit 7 Lesson 16.2
Mon 2/27, Tues 2/28
Objective: Students can explain how natural selection affects single-gene and polygenic traits.
State standards: 7a. students know why natural selection acts on the phenotype rather than the
genotype of an organism. 8c. Students know the effects of genetic drift on the diversity of organisms in a
population
Warm up activity: text pg 396 # 3, # 5
Vocabulary:
Genetic drift: random change in allele frequencies that occurs in small populations
Genetic equilibrium: Situation in which allele frequencies remain constant
Founder effect: change in allele frequencies as a result of the migration of a small subgroup of a
population
Check for understanding: Class discussion/ correction of warm up activity
Lecture: 16.2 Evolution as Genetic change
Guided practice: Genetic wheel lab (CA Academy kit)
Active art: genetic drift activity PHSchool.com web code cbp-5162
Independent practice:
HW:
Read 16.3
HW packet 16.2 pg 65
Complete genetic wheel lab questions
Evolution project research
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