Reflection: Checks for Understanding Inheritance Patterns (#1 of 6): Punnett Sqares - Section 3: Instructional Input/Student Activities


Using a 4-3-2-1 grading scheme, a 3 meets standard. This equates to an 88%. In this student's case I marked a score of 2.5. When looking at the totality of the responses, this student clearly grasps the mechanics of setting up, manipulating, and interpreting the Punnett Square model. We answered #1-5 as a class but he didn't mark the answers. In this case, I didn't mark down the score. On #15 the color coding wasn't fully finished and for #17 he didn't finish decoding the Punnett Square into the genotypic and phenotypic ratios. In sum, he is quite close to meeting standard. I have a standing policy that allows students to revise their work so he is certainly a candidate!

  Checks for Understanding: Building from the basics: the well-loved Punnett Square
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Inheritance Patterns (#1 of 6): Punnett Sqares

Unit 4: 3) Genetics ("Identity & Change")
Lesson 5 of 10

Objective: 1. Students will be able to apply concepts of statistics and probability to explain the variation and distribution of expressed traits in a population. (HS-LS-3) 2. Students will understand that cells store and use genetic information to guide their functions. An organism’s genotype determines its phenotype. These traits can be dominant or recessive depending on the alleles found on their genes.

Big Idea: Nearly all human traits, even many diseases, are inherited in predictable ways. Using the tools of mathematics and modeling, these inheritance patterns can be properly deduced.

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12 teachers like this lesson
Science, Heredity, Punnett Squares, incomplete dominance, Sex-linked, Genetics, genetics, pedigrees, Monohybrid Crosses, Dihybrid Crosses, Complete dominance
  55 minutes
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