DNA Mutations Reading and Worksheet


Read about DNA mutations, how they occur, types of mutations, and some interesting examples.

Grades 7 and Up

This DNA mutations reading pairs perfectly with our DNA Mutations Activity!

Genetic mutations simplified to an INTRODUCTORY level – addresses NGSS MS-LS3-1 without overcomplicating it!

Plus, includes PRINT and GOOGLE SLIDES versions!

In this activity, students will:

  • READ the article “Mutant DNA”, an informational text that introduces them to DNA mutations.
  • COMPLETE a graphic organizer summarizing information in the text.
  • ANSWER 18 text-dependent questions.

Topics include:

  • Basics of how mutations occur
  • Mutations can be harmful, neutral, or beneficial
  • Specific examples of interesting beneficial and harmful mutations
  • A quick overview of how mutations drive natural selection

Teacher Notes:

  • We offer this resource in SPANISH HERE.
  • All topics are geared towards a middle-school audience, not high school biology.
  • Includes a printer-friendly version of the reading.  Or, GO PAPERLESS!  Use the included digital Google Slides version!
  • Please note: this DNA mutations reading is not editable.
  • Check out more resources in the DNA and heredity section of our shop!


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