Transformation in bacteria was discovered in Streptococcus pneumoniae in 1928 by Frederick Griffith. But he had no experimental evidence what actually made the transformation event. He called that unknown agent as Transforming Principle responsible for transformation. In 1944, Oswald T. Avery, Colin M. MacLeod & Maclyn McCarty demonstrated that the "Transforming Principle" was DNA . So in this video I have mentioned two experiments-- i) Griffith's Experiment & ii) Avery, MacLeod, McCarty Experiment.
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#Griffith_experiment #DNA_is_the_transforming_principle #ambiologienotes
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