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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance5 Marks
Question
  1. Differentiate between repetitive and satellite DNA.
  2. How can satellite DNA be isolated? Explain.
  3. List two forensic application of this technology.
✓

Answer

  1.  
  1. Satellite DNA is separated from the genomic DNA. by density gradient centrifugation; the satellite DNA forms smaller peaks, while the genomic DNA forms a major peak.
  2.  
  1. They form very useful tools in identification of criminals.
  2. It is the basis of paternity testing, in case of disputes.

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