Dominant & Recessive Traits



This lesson will cover the principles of dominant and recessive traits, using Punnett Squares; specifically monohybrid crosses. Prior to this lesson students should already have covered curriculum in genotype and phenotype.

Lesson Time

Dominant & Recessive Traits
20 Minutes
Punnett Squares
40 Minutes

Industries / Subjects / Grades

Industries / Pathways
  • Agriculture & Natural Resources Agriculture & Natural Resources

Standards and Objectives


California Academic Content Standards (1)
California's 2008 CTE Standards (5)

Related Instructional Objectives (SWBAT...)

  • Differentiate between dominant and recessive traits.
  • Display how to correctly set up and fill out a Punnett Square and/or Monohybrid Cross.
  • Understand how to determine phenotypic and genotypic ratios, using Punnett Squares.
  • Emphasize how animal genetics is pertinent to production agriculture.

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