Reflection: Modeling Meiosis Simulation Lab (Day #3 of 3) - Section 3: Instructional Input/Student Activities


So how well did the lab lead students to understanding the purpose and basic process of meiosis? Taking together the feedback from the student's Human Life Cycle worksheet and the formative assessment, students were able to grasp the goals very well. The student response shows that he understands the main point of meiosis and mitosis. Furthermore, differentiating between haploid and diploid, he knew why haploid cells must exist prior to fertilization.

As for the formative assesssment, the median score was approximately 80%. Different teachers use varying thresholds for mastery and have well reasoned rationales for their choices. In general, I use a 4-3-2-1 scale for daily class work and homework with the following percentiles (100-88-75-63-50). For assessments I assign 80% to meet the mark. Well done kiddos!

  Modeling: Meiosis makes unique haploid gametes...
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Meiosis Simulation Lab (Day #3 of 3)

Unit 4: 3) Genetics ("Identity & Change")
Lesson 4 of 10

Objective: Students will be able to describe how meiosis can create haploid gametes that are different from all other gametes. In other words, with the exception of identical twins, no two siblings are identical. Furthermore, no child is identical to either or both parents.

Big Idea: Meiosis is the process that produces unique sex cells that eventually leads to the creation of genetically unique offspring.

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