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When do the chromosomal strands become double in (1) a somatic cell and (2) a...

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Biology

When do the chromosomal strands become double in (1) a somatic cell and (2) a pollen mother cell (microsporocyte)? Cite and discess the evidence for the answer.

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4.2 Ratings (531 Votes)
1 Somatic cells In these cells the DNA replication takes place during the S phase which occurs between the G1 phase and the G2 phase of the cell cycle During the S phase each of the original singlestranded chromosomes is replicated which results in the formation of identical sister chromatids which remain joined at a region called the centromere These sister chromatids forms    See Answer
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