NEETBotany-Molecular Basis of Inheritance
NEET Botany DNA as Genetic Material MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In Hershey – Chase experiment, the virus which had radioactive DNA had
A
Radioactive sulphur (³⁵S)
B
Radioactive phosphorous (³²P)
C
Radioactive oxygen (¹⁸O)
D
Radioactive carbon (¹⁴C)
Correct Answer
Option B
Detailed Explanation
The Hershey-Chase experiment used radioactive phosphorus to label DNA because phosphorus is present in DNA but not in proteins.
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