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Crank
3 years ago
13

Why do you think DNA is duplicated before

Biology
1 answer:
Anna71 [15]3 years ago
5 0

The two cells that result from a single cell need to have the same amount of genetic material as the initial cell, therefore the DNA needs to be duplicated before the cell divides.

The sister chromatids are attached together so that during anaphase the daugther cells will receive the same chromosomes

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In that situation the risk of cord compression during the child birth. Serious umbilical cord problems can result in brain damage or the death of baby.

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Which structure of a paramecium holds a reserve copy of all a cells genes?
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Explain:
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