You will need:
100g chopped onions
Washing up liquid
Coffee filter (or any other filter)
Cup (preferably clear)
Step 1: chop the onions
Step 2: Put the onions into a tub
Step 3: Pour the water, salt and washing up liquid into the onion
Step 4: stir gently so as to not cause any bubbles
Step 5: leave for 10 minutes
Step 6: filter the mixture into the cup and add the surgical spirit
Step 7: leave for 20 minutes
Step 8: after the 20 minutes are up there should be white strands floating In your cup
THIS IS YOUR DNA!
However as in all science experiments they don’t always work.
By Isla and Heather.