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spindle fibers
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What are the fibers that shorten and pull the chromatids apart called?
The fibers that shorten and pull the chromatids apart are called microtubules. During cell division, microtubules form the spindle apparatus and attach to the chromosomes to facilitate their separation.
Do the individual chromosomes move apart in mitosis or meiosis?
Yes, in both mitosis and meiosis, the individual chromosomes move apart during cell division. In mitosis, the sister chromatids of each chromosome separate and move to opposite poles of the cell, while in meiosis, homologous chromosomes separate in the first division and sister chromatids separate in the second division.
What happens when the chromatids separate during reduction division?
During reduction division, specifically in meiosis, the chromatids separate during anaphase II. This process involves the sister chromatids being pulled apart to opposite poles of the cell. As a result, each resulting gamete receives a single set of chromosomes, which contributes to genetic diversity in sexually reproducing organisms. Ultimately, this separation is crucial for producing haploid cells from diploid precursors.
When centromeres divide and chromatids move apart?
The nuclear membrane fades from view
In which stage of mitosis do the paired chromatids break part?
During anaphase in mitosis, the paired chromatids break apart and move to opposite ends of the cell.
What are the fibers that shorten and pull the chromatids apart called?
The fibers that shorten and pull the chromatids apart are called microtubules. During cell division, microtubules form the spindle apparatus and attach to the chromosomes to facilitate their separation.
Do the individual chromosomes move apart in mitosis or meiosis?
Yes, in both mitosis and meiosis, the individual chromosomes move apart during cell division. In mitosis, the sister chromatids of each chromosome separate and move to opposite poles of the cell, while in meiosis, homologous chromosomes separate in the first division and sister chromatids separate in the second division.
Chromatids are pulled apart during anaphase?
During anaphase, the sister chromatids (duplicated copies of a chromosome) are pulled apart and move to opposite poles of the cell by the spindle fibers, which are composed of microtubules. This process ensures that each daughter cell receives an identical set of chromosomes during cell division.
Do chromatids pull apart during anaphase?
yes think of A in anaphase and A in apart and you will remember
When do the centromeres split and form the chromatids?
Centromeres split during cell division in the mitotic phase called anaphase. As the sister chromatids are pulled apart towards opposite poles of the cell, the centromeres divide, forming individual chromatids that will become separate chromosomes in the daughter cells.
In which phase are chromatids pulled apart?
Chromatids are pulled apart during the anaphase stage of mitosis or meiosis. This is when the sister chromatids separate and are moved to opposite ends of the cell by the mitotic spindle.
In which stage of mitosis do the paired chromatids break part?
During anaphase in mitosis, the paired chromatids break apart and move to opposite ends of the cell.
When centromeres divide and chromatids move apart?
The nuclear membrane fades from view
Do chromatids separate during telophase?
Yes, chromatids separate during telophase to form individual chromosomes. This process occurs after the sister chromatids have been pulled to opposite poles of the cell during anaphase by the spindle fibers. The cell then undergoes cytokinesis to complete the cell division process.
What gets pulled apart by spindle microtubules?
Chromosomes in the cell are pulled apart by spindle microtubules during cell division to ensure that each new cell receives the correct number of chromosomes.
During what phase do the centromeres of sister chromatids disjoin and the chromatids separate?
During the anaphase stage of mitosis, the centromeres of sister chromatids disjoin and the chromatids are pulled apart to opposite ends of the cell by the spindle fibers.
What happens to the amount of chromosomes during cell division?
During cell division the chromosomes are copied and they form sister chromatids. Then the mitotic spindle attaches to the sister chromatids and pulls them apart, splitting the nucleus in two. Then the cell goes through cytokenesis and the cell membrane is pinched together in the center, this divides the organelles and the cytoplasm between the two daughter cells.
