K12 Lessons

Punnett Squares

Students learn about Dominant and Recessive traits by looking at rabbits and corn. Students then count the ratio of purple to yellow corn kernels on an F2 ear of corn to determine if the ratio is what would be expected based on the genetic information.

Concepts for biotechnology:

  1. Students learn the relationship between genotype and phenotype.
  2. Students learn that genes are inheritable units.

link to PowerPoint Punnett Squares PP

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Hawaii Standards

  1. SC.BS.5.4  Explain how Mendel’s laws of heredity can be used to determine possible offspring.







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