Gel Electrophoresis Applications
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Objective
I can describe how gel electrophoresis is used in DNA fingerprinting and disease diagnosis.
Part 1 of 4
Warm-up video
Amoeba Sisters · 7:55Vetted channel
We don't generate video — this one is by Amoeba Sisters on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
Gel electrophoresis separates molecules, especially DNA, based on their size and electrical charge.
- 2
Restriction enzymes are used to cut DNA into smaller pieces at specific sequences, creating fragments that can be compared using gel electrophoresis.
- 3
DNA fingerprinting uses gel electrophoresis to compare DNA samples from different sources, such as crime scenes or family members, to identify potential matches or relationships.
Part 3 of 4
Practice
11 questions
What property of DNA allows it to be separated using gel electrophoresis?
Explain the role of agarose in gel electrophoresis.
Part 4 of 4
Exit ticket
Quick comprehension check
“Describe how gel electrophoresis can be used in DNA fingerprinting to solve a crime. Be sure to mention how DNA samples are prepared and compared.”
Sample answer included in the free materials
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