Choose the correct answers from the alternatives given : Genetic information in a DNA molecule is coded in the
A
sequence of nucleotides
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B
base pairings
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C
turning pattern of the helix
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D
proportion of each base present
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Solution
The correct option is A sequence of nucleotides A human DNA is composed of 3 billion nucleotides, likewise, other organisms too, with an infinite number of possibilities in their sequencing pattern making them unique. The Sequencing of nucleotides determines and codes for the genetic information in a DNA molecule.
So, the correct option is 'Sequence of nucleotides'.