Question

How long does the replication of human DNA take place?

Answer 1

Answer:

The typical human chromosome has about 150 million base pairs that the cell replicates at the rate of 50 pairs per second. At that speed of DNA replication, it would take the cell over a month to copy a chromosome. The fact that it takes only one hour is because of multiple replication origins.

Answer 2

Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.

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