Punnett Square: Definition & Example - Quiz & Worksheet


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question 1 of 3

What would be a possible genotype of an offspring if the parent's genotypes were AABBCC and aabbcc?

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1. What is the expression of a gene called?

2. What would be the expected ratio of genotypes in a cross between two parents who were both heterozygous?

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About This Quiz & Worksheet

You'll be tested on the definition and characteristics of Punnett squares in this multiple-choice quiz. Answer this brief series of questions as many times as needed until you're confident in your score.

Quiz & Worksheet Goals

Measure your knowledge of the following:

  • Identifying possible genotypes of an offspring from a given example
  • The name for the expression of a gene
  • Expected ratio of genotypes in a cross between two heterozygous parents
  • Expected phenotypes of offspring in a cross between two white flowers
  • Why wrinkled pods might show up as the offspring of two smooth peapods

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the characteristics of Punnett squares lesson
  • Problem solving - apply what you've learned to figure out the potential genotypes of an offspring in a sample problem
  • Information recall - remember what we call the expression of a gene

Additional Learning

With the lesson titled Punnett Square: Definition & Example, you can further your understanding of this genetics tool. You'll work towards the following study goals:

  • Define Punnett square
  • Contrast dominant and recessive genes
  • Explore the concepts homozygous dominant, heterozygous, and homozygous recessive
  • Understand how to construct a Punnett square
  • Define genotype and phenotype