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Juliette [100K]
2 years ago
13

A haploid human genome consists of 3 billion base pairs. If the distance between each base pair is 0.34 nm (a nanometer is one b

illionth of a meter), in a cell that has just completed replication in S phase, what is the length of DNA in this cell, in meters, if all the chromosomes were strung together?
Biology
1 answer:
rosijanka [135]2 years ago
6 0

Answer:

The answer is 6.8 meters.

Explanation:

During the S phase of the cell replication, the DNA is doubled before the division of the cell which means that it is twice it's original length.

At 0.34 nanometers, 3 billion base pairs (3.000.000.000) comes up to 3.4 meters and during the S phase the length is doubled so it is 6.8 meters long.

I hope this answer helps.

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