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1 ene 1955 año - 1955: Joe Hin Tjio defines 46 as the exact number of chromosomes in human cells.
Añadido al timeline:
DNA Timeline
By
Tarun Kalyan X Rayapati
4 feb 2020
0
0
239
fecha:
1 ene 1955 año
Ahora mismo
~ 69 years ago
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