The process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules is known as DNA replication. Replication is necessary because when a cell divides, the two new daughter cells must have the same genetic information, or DNA, as the parent cell.
<h3>What is DNA Replication ?</h3>
The process by which the genome's DNA is copied in cells is known as DNA replication. Before dividing, a cell must copy (or replicate) its entire genome so that each resulting daughter cell has its own complete genome.
DNA replication is one of the most amazing things that DNA can do. Consider this: each cell contains all of the DNA required to create the other cells. And we begin with a single cell and end up with trillions of cells. And during the cell division process, all of the information in a cell must be copied, and it must be copied perfectly. As a result, DNA is a molecule that can be replicated to produce nearly perfect copies of itself. This is all the more remarkable given that there are nearly three billion base pairs of DNA to be copied. And replication employs DNA polymerases, which are molecules dedicated solely to DNA replication.
It takes several hours of pure copying time to replicate all of the DNA in a single human cell. At the end of this process, when all of the DNA has been replicated, the cell has twice the amount of DNA that it requires, and the cell can then divide and parcel this DNA into the daughter cell, so that the daughter cell and the parental cell are genetically identical in many cases.It takes several hours of pure copying time to replicate all of the DNA in a single human cell. At the end of this process, when all of the DNA has been replicated, the cell has twice the amount of DNA that it requires, and the cell can then divide and parcel this DNA into the daughter cell, so that the daughter cell and the parental cell are genetically identical in many cases.
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