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CGP EDU Academic Team
Published on: August 13, 2026
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 6.6 x 109 bp, then the length of the DNA is approximately
Text Solution
Verified by ExpertsThe correct answer is:
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Distance between 2 base pairs in DNA helix = 0.34 nm = 0.34 x 10 -9 m.
Total number of base pairs = 6.6 x 10 9 bp
Therefore, length of DNA = [0.34 x 10 -9 ] m x 6.6 x 10 9 bp = 2.2 m.
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