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Mice injected with heat-killed S strain plus live R strain died. Griffith's 1928 finding is called:

ATransformation
BTranslation
CTranscription
DTransduction
Answer & Solution
Correct answer: A. Transformation
1. External DNA was taken up by a cell. 2. Griffith called it the transforming principle. 3. Live R strain became deadly S strain. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._
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