1944 ⟶ Oswald Avery demonstrates DNA's role in carrying hereditary information

Oswald Avery shows that DNA carried the hereditary informati...
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Year
1902
1943
1944
1948
1952

🔬 Sutton and Boveri Propose Chromosomes Carry Hereditary Information

Walter Sutton and Theodor Boveri, independently proposed that the chromosomes carry the hereditary information.⟶
Sutton and Boveri Propose Chromosomes Carry Hereditary Information (1902)
BiologyGeneticsChromosomesHereditySuttonBoveriCell Biology20th Century
GermanyGermanyUnited StatesUnited States

🧬 Oswald Avery proves DNA is genetic material

Oswald Avery proves that DNA is the genetic material of the chromosome⟶
Oswald Avery proves DNA is genetic material (1943)
GeneticsDNAMolecular BiologyAveryChromosomeHeredityScientific Breakthrough20th Century Science
USAUSA

🧪 Oswald Avery demonstrates DNA's role in carrying hereditary information

Oswald Avery shows that DNA carried the hereditary information in pneumococcus bacteria.⟶
Oswald Avery demonstrates DNA's role in carrying hereditary information (1944)
GeneticsDNAMolecular BiologyAveryHeredityPneumococcusScientific Breakthrough20th Century Science
USAUSA

⚖️ Chargaff's rules about DNA base pairing

Erwin Chargaff showed that in DNA the number of guanine units equals the number of cytosine units and the number of adenine units equals the number of thymine units.⟶
Chargaff's rules about DNA base pairing (1948)
GeneticsDNAChargaffBase PairingMolecular BiologyHeredityDNA Structure20th Century Science
AustriaAustria

🧪 Hershey-Chase Experiment: DNA as Genetic Material

Alfred Hershey and Martha Chase showed that DNA is the genetic material in bacteriophage viruses.⟶
Hershey-Chase Experiment: DNA as Genetic Material (1952)
BiologyGeneticsMolecular BiologyDNAAlfred HersheyMartha ChaseBacteriophagesGenetic Material
United StatesUnited States