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Before mitosis begins, which happens before the nucleus starts diving?
A. The cytoplasm separates.

B. The DNA replicates.

C. The sister chromatids separate.

D. The homologous chromosomes cross over.

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Respuesta :

Answer:

B. The DNA replicates.

Explanation:

Activity in the chromosomes must occur before the beginning of mitosis. The cells will enter the S1 phase in preparation to divide.

terrymagee12

Answer:

B should be your answer

Explanation:

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