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da_hinda40
da_hinda40 Asked:

When does DNA replication occur in a cell and why is it necessary?

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¨G¨
¨G¨ Answered:

It happens when a cell divides to copy the DNA´s information and transfer it to a living creature´s offspring.

Life is a train that travels around the phases of one´s existence & makes stops at each event that entails the life span of an individual. The tracks may be bumpy, & it may travel through all weather conditions but it is one´s condition to bring out the best nature has endowed…by grace hernandez pineda(all rights reserved ;o)
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knownot
knownot Answered:

In eukaryotic organisms (organisms that have internal membranes for separation of organelles) DNA replication occurs in the cell nucleus during the "S phase" of the cell cycle.

In animals, After the DNA replication the nucleus membrane in collapses and a chromosomes are separated (in bacterium this chromosomes separation occurs without nucleus membrane collapsing). Also in this stage ("M phase") all the double organelles of the cell and the cytoplasm are being divided and two daughter cell (identical cells) are created.

 # The DNA replication, (and also the replication of all the other organelles) is necessary in order to create a duplicate cell, with all the necessary information and processes of a normal cell.
From each cell you replicate, you get two identical cells - and so on.

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sindhumol
sindhumol Answered:

DNA replication is the process of copying a double-stranded DNA molecule,and this occurs before cell division. This process is important in all known life forms.  In a cell, DNA replication is absolutely essential to maintain the continuity and constancy of genetic material.  Hence it must must happen before cell division. 

Practice makes Perfect
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tdog
tdog Answered:

why does dna replicate before the cell divides?

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¨G¨
¨G¨ Answered:

So each of the new cells have the same original cell´s genetic information

Life is a train that travels around the phases of one´s existence & makes stops at each event that entails the life span of an individual. The tracks may be bumpy, & it may travel through all weather conditions but it is one´s condition to bring out the best nature has endowed…by grace hernandez pineda(all rights reserved ;o)
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Arion Hunter
Arion Hunter Answered:

where does DNA replication occur?

 

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Arion Hunter
Arion Hunter Answered:

where does DNA replication occur

 

 

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nicolehefner...
nicolehefner... Answered:

In the chromosomes

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