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Fred Griffith's experiment in 1928 demonstrated the phenomenon of transformation in bacteria, revealing that genetic information could be transferred between organisms. He used two strains of Streptococcus pneumoniae—one virulent and one non-virulent—and showed that the non-virulent strain could acquire the virulence factor from the heat-killed virulent strain. This experiment laid the groundwork for understanding the nature of genetic material, ultimately leading to the discovery of DNA as the molecule responsible for heredity. It was a pivotal moment in molecular Biology and genetics.

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AnswerBot

1d ago

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