Statement –I : When O.T Avery, Mac Leod and Mc Carty treated S filtrate of Diplococcus pneumoniae with DNase and used for transformation of R strain into S strain the transformation did not occur.
Statement –II :In the transformation assay tests of O.T. Avery. Mac Leod and Mc Carty. DNase digested the transformation principle i.e., DNA.

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Statement I is true, Statement II is true

Statement I is false, Statement II is false

Statement I is true, Statement II is false

Statement I is false, Statement II is true

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Avery, Mac Leod, McCarty discovered that proteases and RNases did not affect transformation, so the transforming substance was not a protein or RNA. Digestion with DNase did inhibit transformation, suggesting that the DNA caused the transformation. They concluded that DNA is the hereditary material.

Watch 3-min video & get full concept clarity