DNA Double Helix Structure | Biotechnology | Latest Update | Drishti IAS English

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James Watson, co-discoverer of the DNA double helix, passed away at 97. In 1953, Watson and Crick, using chemical and X-ray data, revealed the DNA structure, with Photo 51 from Rosalind Franklin’s team providing a crucial clue. Their model showed complementary base pairing, forming a twisted double helix.
This discovery sparked advancements in molecular biology, biotechnology, and genetic engineering, leading to breakthroughs in medicine, agriculture, and forensic science, including gene therapies, genetically modified crops, and crime-solving DNA analysis.


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