Frederick griffith was one of the leading scientists looking at the genetic role of dna. he was working on two strains of streptococcus pneumoniae: the rough strain (r) did not cause pneumonia, but the smooth strain (s) did. when griffith heat-killed the s strain and gave both the heat-killed s strain and the r strain to mice, the mice developed pneumonia and died. what happened in this experiment that caused the mice to develop pneumonia?
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Frederick griffith was one of the leading scientists looking at the genetic role of dna. he was work...
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