Mendel's Second Law & Its Application


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What is Mendel's Second Law?

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Based on the following Punnett square, what percentage of fruit flies would you expect to have a red body and round wings?

B (black body), b (red body), F (flat wings), f (round wings)


If you determined that the percentage of fruit flies that have a red body and round wings is actually 25% what does this tell you based on the following Punnett square?

B (black body), b (red body), F (flat wings), f (round wings)

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About This Quiz & Worksheet

Confirm your understanding of Mendel's second law with the help of this quiz and worksheet, such as how this law was discovered. You can take this quiz before or after studying the related lesson.

Quiz & Worksheet Goals

Here's what the quiz covers:

  • What Mendel's second law is
  • Determining the percentage of fruit flies expected to have a red body and round wings, based on a given Punnett square
  • Using and interpreting Punnett square results
  • How Mendel's second law was discovered

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about Mendel's second law
  • Interpreting information - verify that you can read information about the Punnett square and interpret it correctly
  • Information recall - access the knowledge you've gained regarding how to determine the percentage of fruit flies expected to have certain characteristics when given a Punnett square

Additional Learning

To continue your studies on this topic, be sure to review the related lesson titled Mendel's Second Law & Its Application. Here's the type of information you'll find in this lesson:

  • Another phrase for Mendel's second law
  • What an allele refers to
  • Exploring the link between two genes