photograph
James Watson and Francis Crick
Cambridge University Science
February 28, 1853
photograph
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James Watson
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Francis Crick
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DNA
|
replication
|
pairing
|
Molecular Biology
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genetics
|
chemistry
|
history
|
Chargaff Ratios
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Erwin Chargaff
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science
|
on this day
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double helix
