In 1953, scientists identified DNA’s structure as which shape? Answer
In 1953, scientists identified DNA’s structure as a double helix. This iconic, twisted-ladder shape was famously described by James Watson and Francis Crick in their groundbreaking paper published in the journal Nature.
The discovery was a dramatic moment in the history of science, the culmination of a global “race” to unlock the secret of the molecule that carries genetic information. Watson and Crick’s breakthrough came from a fusion of existing data, including the crucial X-ray diffraction images captured by Rosalind Franklin (most famously, “Photo 51”) and the chemical data on base pairing provided by Erwin Chargaff. Without Franklin’s detailed images, which showed the helical and double-stranded nature of the molecule, Watson and Crick would not have been able to build their correct model.
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