Question

Recall the experiments done by Frederick Griffith,
Avery, MacLeod and Mc Carty, where DNA was
speculated to be the genetical material. If RNA
instead of DNA was the genetic material
would the heat killed strain of Preumococcus
have transformed the R-strain into virulent
strain ? Explain.
​

Answer 1

Explanation: Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA (not proteins) can transform the properties of cells, clarifying the chemical nature of genes. Avery, MacLeod and McCarty identified DNA as the "transforming principle" while studying Streptococcus pneumoniae, bacteria that can cause pneumonia.