NCERT · Class 12 · Biology · Molecular Basis of InheritanceThe length of DNA double helix in a typical mammalian cell is approximately:
Step-by-Step Solution
A typical mammalian cell contains about 2.2 meters of DNA, calculated by multiplying the total number of base pairs (6.6 x 10^9) by the distance between two consecutive base pairs (0.34 nm).
Detailed Options Breakdown
Option : 2.2 meters (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 2.2 millimeters
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
Option 2: 6.6 meters
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
Option 3: 0.34 meters
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Molecular Basis of Inheritance.
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