Scelta multipla
Movement of the chromosomes during anaphase would be most affected by a drug that:
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3. Energy & Cell Processes
Review of the Cell Cycle
Scelta multipla
If a cell contains 60 chromatids at the start of mitosis, how many chromosomes will be found in each daughter cell at the completion of the cell cycle?
A
15
B
45
C
60
D
120
E
30
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Understand that chromatids are duplicated chromosomes. At the start of mitosis, each chromosome consists of two sister chromatids.
Recognize that during mitosis, the chromatids are separated into two daughter cells. Each chromatid becomes an individual chromosome in the daughter cells.
Since the cell starts with 60 chromatids, it means there are 30 pairs of chromatids, or 30 chromosomes.
During mitosis, these 30 pairs of chromatids are separated, resulting in each daughter cell receiving 30 chromosomes.
Conclude that at the completion of the cell cycle, each daughter cell will have 30 chromosomes.
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