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Model Paper 2 — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYModel Paper 21 Mark
MCQ
DNA fragments that can change their position are called-
  • A
    Enzymes
  • B
    Introns
  • C
    Cistron
  • D
    Transposons
✓

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