NEET2021Zoology-Genetic Engineering

NEET 2021 Zoology Gene Detection MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary DNA in a clone of cells, followed by its detection using autoradiography because :

A

mutated gene partially appears on a photographic film.

B

mutated gene completely and clearly appears on a photographic film.

C

mutated gene does not appear on a photographic film as the probe has no complimentarity with it.

D

mutated gene does not appear on photographic film as the probe has complimentarity with it.

Correct Answer

Option C

Detailed Explanation

Autoradiography allows the detection of radioactive probes hybridized to complementary DNA, making the mutated gene visible on the film.

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