How to extract dna from cheek cells
Nova, an American TVseries, have a great experiment. 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. Vocabulary words:DNA, nucleus, extraction, spooling, What you need:- test tubes with 5ml of detergent solution - capped tubes with 10ml of rubbing alcohol - bottle with prepared salt solution - dixie cups - plastic coffee stirrer - flat wood sticks - - small Eppendorf tube - pipettes Grouping:Students can work in pairs or as individuals.
To allow each student to handle materials groups should not be larger than that. Setting:Classroom or laboratory Time needed:One class period (40- minutes). Students will observe their own DNA. Students willDNA is extracted from human cells for a variety of reasons. With a pure sample of DNA you can test anewborn for a genetic disease, analyze forensic evidence, or study a gene involved in cancer.
This means you dissolve 8 grams of salt in 92 milliliters of distilled water.