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NEETZoologyMolecular Basis of Inheritance

Select the incorrect statement for the given figure.

Options

  1. AIf each strand from a DNA (let us call it as a parental DNA) acts as a template for synthesis of a new strand,
  2. BDouble-helix structure of DNA is made of two polynucleotide chains, where the backbone is constituted by sugar
  3. CThe two chains have parallel polarity. It means, if one chain has the polarity 5' → 3',the other has 3' → 5'.
  4. DThe bases in two strands are paired through hydrogen bonds (H-bonds) forming base pairs (bp).

Correct answer

C. The two chains have parallel polarity. It means, if one chain has the polarity 5' → 3',the other has 3' → 5'.

Step-by-step solution

Also, if each strand from a DNA (let us call it as a parental DNA) acts as a template for synthesis of a new strand, the two double stranded DNA (let us call them as daughter DNA) thus produced would be identical to the parental DNA molecule. Because of this, the genetic implications of the structure of DNA became very clear. The salient features of the Double-helix structure of DNA are as follows: (i) It is made of two polynucleotide chains, where the backbone is constituted by sugar-phosphate, and the bases proje

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