• Question: Why is DNA twisted?

    Asked by Clodagh to Kieran, Fiana on 7 Nov 2018.
    • Photo: Fiana

      Fiana answered on 7 Nov 2018:

      Hi Clodagh that’s a great question! DNA forms a double helix which is that twisted looking shape. It does this because of the different chemical bonds in the DNA that bring some molecules closer together than others! That’s what gives the pinching in shape to form the twist 🙂