During the M-phase (Mitosis), spindle fibers extend from centrioles in the poles
ID: 199997 • Letter: D
Question
During the M-phase (Mitosis), spindle fibers extend from centrioles in the poles of the cell and attach to the centromeres of each replicated chromosome. The chromosomes are aligned along the equatorial plate of the cell in the process. Once all centromeres got attached from either side to a spindle fibre, a cellular checkpoint got passed and the spindle fibers begin to contract towards the poles, pulling the two sister chromatids apart such that one sister chromatid of each of the replicated chromosomes ends up in one of the poles of the cell. Once this has been completed, the cell now begins to pinch off along the former equatorial plate, and forms two daughter cel As soon as the sister chromatids of a replicated chromosome have been pulled apart, we now call each a separate, un-replicated What happened to the ploidy of the daughter cells compared to the original cell prior to cell division? The ploidy has not changed during mitosis The ploidy was halved. If the original (mother) cell was diploid, the daughter cells are now O The ploidy was doubled. If the original (mother) cell was haploid, the daughter cells are now diploid. 5 6 7 8 9 0
Explanation / Answer
What happened to the ploidy of the daughter cells compared to the original cell prior to the cell division?
A) The ploidy has not changed during mitosis.
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