Assertion: The repetitive DNA are separated from bulk genom…

Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 11 PCB Single Correct MCQ

Published on: August 11, 2026

Assertion: The repetitive DNA are separated from bulk genomic DNA as different peaks during density gradient centrifugation.
Reason: The bulk DNA forms a minor peak & other major peaks are referred to as satellite DNA.

If both assertion and reason are true and the reason is a correct explanation of the assertion.

If both assertion and reason are true but reason is not a correct explanation of the assertion.

If assertion is true but the reason is false

If both assertion and reason are false.

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The correct answer is:

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence called as repetitive DNA, because in these sequences, a small stretch of DNA is repeated many times. These repetitive DNA are separated from bulk genomic DNA as different peaks during density gradient centrifugation. The bulk DNA forms a major peak and the other small peaks are referred to as satellite DNA.

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