Which of the following individuals or groups of individuals demonstrated that the transforming principle was DNA?

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Avery, MacLeod, and McCarty demonstrated that the transforming principle was DNA through their experiments with Streptococcus pneumoniae in 1944. They showed that when DNA was destroyed, the ability of the S strain to transform into the virulent form was lost. It established the idea that DNA is the genetic material. Griffith's experiments showed transformation but did not identify the transforming principle as DNA. Hershey and Chase demonstrated that DNA was the genetic material of a virus (bacteriophage), not of all living organisms. Watson and Crick proposed the double helix model of DNA, but did not demonstrate that it was the genetic material.

Which of the Following Individuals or Groups of Individuals Demonstrated