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  1. www.dna-worldwide.com › resource › 160The History of DNA Timeline | DNA Worldwide

    Learn about the key events and discoveries in the history of DNA, from Mendel's pea plants to the Human Genome Project. Find out when DNA was first discovered by Miescher in 1869 and how it was used for eugenics in the 20th century.

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  2. www.britannica.com › science › DNADNA | Definition, Discovery, Function, Bases, Facts, & Structure

    Hace 3 días · The chemical DNA was first discovered in 1869, but its role in genetic inheritance was not demonstrated until 1943. In 1953 James Watson and Francis Crick , aided by the work of biophysicists Rosalind Franklin and Maurice Wilkins , determined that the structure of DNA is a double-helix polymer , a spiral consisting of two DNA strands wound ...

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  4. en.wikipedia.org › wiki › DNADNA - Wikipedia

    DNA was first isolated by the Swiss physician Friedrich Miescher who, in 1869, discovered a microscopic substance in the pus of discarded surgical bandages. As it resided in the nuclei of cells, he called it "nuclein".

  5. profiles.nlm.nih.gov › spotlight › scThe Discovery of the Double Helix, 1951-1953

    James Watson and Francis Crick revealed the double helix structure of DNA, the master molecule of life, in 1953. They based their discovery on the experimental results of others and their own model building, using the pairing rule A=T and C=G.

  6. sciencehistory.org › education › scientific-biographiesFrancis Crick, Rosalind Franklin, James Watson, and Maurice...

    28 de jul. de 2022 · At King’s College London, Rosalind Franklin obtained images of DNA using X-ray crystallography, an idea first broached by Maurice Wilkins. Franklin’s images allowed James Watson and Francis Crick to create their famous two-strand, or double-helix, model. In 1962 Watson (b. 1928), Crick (1916–2004), and Wilkins (1916–2004) jointly ...

  7. www.nature.com › scitable › topicpageDiscovery of DNA Double Helix: Watson and Crick - Nature

    Learn how DNA was first identified by Miescher in 1869 and how Levene and Chargaff laid the groundwork for Watson and Crick's discovery of the double helix in 1953. Explore the historical and scientific milestones that led to the elucidation of DNA structure and function.

  8. www.sciencefocus.com › the-human-body › dna-a-timeline-of-discoveriesDNA: a timeline of discoveries - BBC Science Focus Magazine

    Explore the milestones and controversies of DNA research, from the discovery of its structure to the latest applications in biotechnology and medicine.