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BotanyNEET 2020DNA structure and replication

Molecular Basis of Inheritance

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is bp, then the length of the DNA is approximately:

  1. A.2.0 metres
  2. B.2.5 metres
  3. C.2.2 metres
  4. D.2.7 metres

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