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Identify DNA

Free printable Grade 7 science worksheet for "Identify DNA" — practice genetics and biotechnology. No-prep, print or assign online.

Identify DNA — free printable Middle School Science worksheetOpen in KiwiBee to download

Middle school students learn to identify the structure, components, and function of DNA — including the double helix, nucleotides, and base-pairing rules — in this genetics and biotechnology worksheet. Teachers can use it during a heredity or genetics unit to give students a clear conceptual anchor before exploring replication, transcription, and genetic engineering. Understanding DNA is the foundation of modern biology, medicine, and forensic science.

Science
Life Science
Middle School
Worksheets
Ages 11–14
hard

Learning objectives

  • Identify the components of DNA, including nucleotides, bases, sugar, and phosphate groups
  • Describe the double helix structure and the base-pairing rules (A-T, G-C)
  • Explain the role of DNA in storing and transmitting genetic information

Answer Key

Answer key for Identify DNA — free printable Science worksheet

How to use this worksheet

  1. Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

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