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Genetic Engineering Techniques

Quick questions on Gel electrophoresis: O-Level Genetic Engineering Techniques

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State why DNA fragments move toward the positive electrode during electrophoresis. [1 mark]
What is q2?
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Explain why smaller DNA fragments travel further through the gel. [2 marks]
What is q3?
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State what a single band on a finished gel represents. [1 mark]

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