Pencil sketch of the DNA double helix by Francis Crick. It shows a right-handed helix and the nucleotides of the two anti-parallel strands.

  • Francis Harry Compton Crick

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Pencil sketch of the DNA double helix by Francis Crick. It shows a right-handed helix and the nucleotides of the two anti-parallel strands. Wellcome Collection. Source: Wellcome Collection.

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