Lesson: DNA as the Genetic Material Biology • Third Year of Secondary School

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In this lesson, we will learn how to summarize the evidence, based on scientific investigations, that DNA is the genetic material of cells.

Students will be able to

outline evidence for DNA being the genetic material in living organisms, including bacterial transformation and the quantity of DNA in body (somatic) cells compared to sex cells (gametes),
summarize the experiments carried out by Griffith, Avery, and Hershey and Chase and their conclusions.