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๐ซ Human Body
DNA & Genetics
Watson and Crick discovered DNA's double helix in 1953; the code of life has 3 billion base pairs
UK/USA ๐ 1953 Human Body
Key Facts
- 1
Watson and Crick (1953) described DNA double helix using Rosalind Franklin's X-ray data
- 2
Human genome: 3.2 billion base pairs, ~20,000 genes; Human Genome Project completed 2003
- 3
CRISPR-Cas9 (2012): gene-editing tool by Jennifer Doudna and Emmanuelle Charpentier โ Nobel Prize 2020
๐ Did you know? If the DNA from a single human cell were uncoiled and stretched out, it would be 2 metres long โ the body contains ~37 trillion cells
Quick Reference
Category
Human Body
Country
๐ UK/USA
Year / Era
1953
About
Watson and Crick discovered DNA's double helix in 1953