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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 × 109 dp, then the length of the DNA is approximately.
  • a)
    2.2 meters
  • b)
    2.7 meters
  • c)
    2.0 meters
  • d)
    2.5 meters
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
If the distance between two consecutive base pairs is 0.34 nm and the ...
The diploid content of human genome is 6.6 x 109 base pairs. The distance between two consecutive base pairs is 0.34 nm (0.34x10-9 m), so the length of DNA double helix in a typical mammalian cell is around 6.6 x 10-9 bp x 0.34 x 10-9m/bp = 2.2 metres.
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Most Upvoted Answer
If the distance between two consecutive base pairs is 0.34 nm and the ...
The total length of the DNA double helix in a typical mammalian cell can be calculated by multiplying the distance between two consecutive base pairs by the total number of base pairs.

Total length = Distance between base pairs x Total number of base pairs

Total length = 0.34 nm/base pair x 6.6 x 10^9 base pairs

Total length = 2.244 x 10^9 nm or 2.244 x 10^6 µm or 2.244 mm
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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 × 109 dp, then the length of the DNA is approximately.a)2.2 metersb)2.7 metersc)2.0 metersd)2.5 metersCorrect answer is option 'A'. Can you explain this answer?
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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 × 109 dp, then the length of the DNA is approximately.a)2.2 metersb)2.7 metersc)2.0 metersd)2.5 metersCorrect answer is option 'A'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 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 × 109 dp, then the length of the DNA is approximately.a)2.2 metersb)2.7 metersc)2.0 metersd)2.5 metersCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 × 109 dp, then the length of the DNA is approximately.a)2.2 metersb)2.7 metersc)2.0 metersd)2.5 metersCorrect answer is option 'A'. Can you explain this answer?.
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