Question
Describe Griffith's experiment to show transformation in DNA.
Answer :
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Griffith’s experiment, conducted in 1928, was a foundational study in genetics that demonstrated the phenomenon of transformation in bacteria, suggesting that genetic material could be transferred between organisms. He worked with two strains of *Streptococcus pneumoniae*: the virulent S strain, which had a smooth appearance due to its polysaccharide capsule and caused pneumonia in mice, and the non-virulent R strain, which had a rough appearance without a capsule and did not cause disease. Griffith first injected mice with live S strain bacteria, which resulted in the death of the mice, confirming the lethality of the S strain. He then injected mice with live R
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