Extracting dna from blood at home

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In this NOVA video short, learn how to extract your own DNA using just a few common household items. Then transfer 3 tbsp of salt water into a clear cup.Step 3: Gargle the salt water for 1 minute.Step 4: Spit the water back into the cup. It is a kind of scientific model, useful in helping us understand how DNA functions, but in reality impossible to see.The structure of a molecule is far too small to be seen with even the most powerful of microscopes. Since DNA is the blueprint for life, everything living contains DNA.For this experiment, we like to use green split peas.

Pour your thin pea-cell soup through a strainer into another container (like a measuring cup).Add 2 tablespoons liquid detergent (about 30ml) and swirl to mix.Let the mixture sit for extracting dna from blood at home minutes.Pour the mixture into test tubes or other sm.

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