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Biology 8 Online
OpenStudy (anonymous):

why must s-phase occur before mitosis?

OpenStudy (anonymous):

Two sets of chromosomes must be available before mitosis so that each of the two daughter cells will have an entire set of chromosomes

OpenStudy (anonymous):

what would happen if s-phase did not occur before mitosis?

OpenStudy (anonymous):

If the S phase didn't happen before mitosis, the cells wouldn't have a complete set of DNA, so every time the cell divided the DNA would be divided in half, rather than remain the same, so cells would become non-functioning after one division.

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