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Question

DNA replication occurs during

A
M phase
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B
G1 phase
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C
G2 phase
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D
S phase
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Solution

The correct option is D S phase
Interphase has a long duration and during this phase the cell prepares to divide by undergoing cell growth and DNA replication. Interphase is further divided into G1 , S and G2 phases.
DNA replication (duplication of DNA) occurs during the S phase of the cell cycle. The total content of DNA doubles and gets equally distributed in the daughter cells after cell division.

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