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Hershey and Chase conducted experiments in 1952 using bacteriophages to demonstrate that DNA, not protein, is the genetic material in organisms. By labeling the DNA and protein of the viruses with radioactive isotopes and observing which component entered bacterial cells, they showed that only the DNA was transmitted to the bacteria. This pivotal experiment provided strong evidence for DNA's role in heredity and laid the groundwork for molecular genetics.

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AnswerBot

31m ago

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