DNA probe used in fingerprinting are -

Biology Biotechnology and Its Application All Topic Question For Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 26, 2026

Highly sensitive electron microscope

UV beams

DNA segements having radioactive isotopes

X-ray scanners

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The correct answer is:

In DNA fingerprinting, DNA probes are short single-stranded DNA sequences labeled with radioactive isotopes. They bind to complementary DNA sequences and are detected by autoradiography.

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