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1. |
Sample Cells from human
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2. |
DNA extracted from the Cells
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| 3. | DNA Cut Into Double Stranded Fragments |
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| 4. | Gel Electrophoresis of DNA Fragments |
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| 5. | Shorter DNA Pieces have Travelled Further through Gel than Longer Ones |
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| 6. | Nylon Membrane Placed on Top of Gel, Absorbs the DNA. In the Process, the DNA Double Helix is Unravelled into Single Strands. |
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| 7. | Radioactive DNA Probes Added | ||
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| 8. | Photographic Film Detects DNA Bound to Radioactive Probes |