When are the chromosomes and genes actually replicated?


Quick Answer

The chromosomes and genes contained within DNA are replicated during the S phase of the interphase cell cycle. DNA replication occurs within the nucleus of eukaryotes and in the cytoplasm of prokaryotes. DNA replication occurs in all living organisms.

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Full Answer

In the nucleus of every cell are long strings of DNA. The DNA contains all the necessary information to make and control every cell in a living organism. DNA replication is a semiconservative process where the parental strand serves as the template for the new complementary daughter strands. There are proofreading mechanisms during replication to keep errors at a low frequency.

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