What is the purpose of density gradient centrifugation in DNA fingerprinting?

What is the purpose of density gradient centrifugation in DNA fingerprinting?
  1. To separate repetitive DNA from bulk genomic DNA
  2. To identify polymorphic regions in DNA sequence
  3. To compare DNA sequences of two individuals
  4. To form a major peak of satellite DNA

Solution

Density gradient centrifugation is used to separate repetitive DNA from bulk genomic DNA, as repetitive DNA forms small peaks known as satellite DNA)

Asked in: NCERT

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