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The hybrid of the radioactive probe and its complementary DNA is detected by ______(a) ELISA(b) RIA(c) autoradiography(d) PCRThis question was posed to me in a job interview.Question is taken from Biotechnological Applications in Medicine: Molecular Diagnosis in section Biotechnology and its Applications of Biology – Class 12

Answer»

Right answer is (C) AUTORADIOGRAPHY

For explanation I would say: The hybrid of the RADIOACTIVE probe and its complementary DNA is detected by autoradiography. Autoradiography is a technique that USES X-rays for the detection of radioactive SUBSTANCES. When exposed to X-rays the radioactive material emits light which helps in their detection.



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