Online Education Kit: 1950's

National Human Genome Research Institute

National Institutes of Health
U.S. Department of Health and Human Services


DNA entering bacterium

1952: Genes are Made of DNA
1953: DNA Double Helix
1955: 46 Human Chromosomes
1955: DNA Copying Enzyme
1956: Cause of Disease Traced to Alteration
1958: Semiconservative Replication of DNA
1959: Chromosome Abnormalities Identified

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Last Reviewed: April 23, 2013