Q. A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be
A) A single-stranded RNA
B) A single-stranded DNA
C) Either RNA or DNA
D) Can be ssDNA but not ssRNA
Explanation
A single-stranded DNA or RNA joined with a radioactive molecule (probe) is allowed to hybridise to its complementary DNA in a clone of cells. It is followed by the detection using autoradiography
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.