9477 / 2027

DNA amplification and analysis

Try it without your notes

Choose an answer or explain your thinking. Then check what you understand.

Quick checks

0 checked / 0 correct. You can change an answer and try again.

Try a question

A no-template control produces the expected band. What is the main concern?

Try a question

Where should DNA generally move from the wells?

Try a question

Why wash the membrane after probe incubation?

Explain your thinking

Write a short answer, then compare it with a sample and check for missing ideas.

Question 1 of 4

Interpret a contaminated assay

A sample, positive control and no-template control all show a 400 bp PCR band. Explain why the sample result is not secure and propose a useful response.

Start with what the negative control should show.

Loading saved work...

0 / 6000
Ctrl / Cmd + Enter

Use the checklist to compare your answer. This is a self-check, not an exam mark.

Keep one idea for tomorrow

Try a question again without looking at the answer. If you get stuck, revisit its lesson.

Open the chapter summary