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Journal Entry:

What represents the frequency of individuals with homozygous recessive condition? What about frequency of heterozygous condition?

Learning Intentions

• You can identify the conditions for a population or allele to be in Hardy-Weinberg equilibrium including: a large population size, absence of migration, no net mutations, random mating and no natural selection.

• You can apply mathematical approaches to calculate changes in allele frequency, providing evidence for the occurrence of evolution in a population including the proper use of the Hardy-Weinberg equilibrium equation.

• You can describe how genetic drift occurs in small populations.

• You can explain how the reduction of genetic variation within a given population can increase the differences between populations of the same species.

• You can define the founder effect and bottleneck effect and their influence on population genetics.

Content Standards being covered:

Topics:
EVO-1.H  Explain how random occurrences affect eh genetic makeup of a population.
EVO-1.I Describe the role of random processes in the evolution of specific populations.
EVO-1.J Describe the change in the genetic makeup of a population over time.
EVO-1.K  Describe the conditions under which allele and genotype frequencies will change in populations.
EVO-1.L Explain the impacts on the population if any of the conditions of Hardy-Weinberg are not met.

Science Practices:
3.B State the null or alternative hypotheses, or predict the results of an experiment.
5.A.a  Perform mathematical calculations, including mathematical equations in the curriculum.
1.C Explain biological concepts, processes, and/or models in applied contexts.

Habits of Mind/Life skills being covered:

Applying past knowledge to current situations