How do you make a double helix model?

Answer 1

One way might be to get a flexible ladder and then turn both ends in opposite directions on its axis, in other words twist it. The result should be quite similar to a DNA double helix. You can use beads: http://www.instructables.com/id/The_Double_Helix_Glass_Bead_DNA_model/

Answer 2

To make a double helix model, you can use materials like pipe cleaners or twisted wire to represent the two strands of DNA. Twist these strands together in a double helix shape, ensuring they are wound around each other in a spiral. You can also add colored beads to represent the four bases of DNA (adenine, thymine, cytosine, and guanine) along the strands for a more detailed model.