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What phase does condensation and shortening of chromosomes occur?
Condensation and shortening of chromosomes occur during the prophase stage of mitosis. In prophase, the chromatin fibers condense and coil tightly to form distinct, visible chromosomes.
What is the sequence of events that occurs in the Cell from one mitotic division to the next?
During interphase, the cell prepares for division by duplicating its DNA. In prophase, the nuclear membrane dissolves, and chromosomes condense. Metaphase is marked by the alignment of chromosomes at the cell's equator. Anaphase sees the sister chromatids separate and move to opposite poles, while telophase involves the reformation of nuclear envelopes. Lastly, cytokinesis divides the cytoplasm to form two new daughter cells.
Briefly describe what happens during anaphase?
In anaphase, the paired chromosomes (sister chromatids) separate and begin moving to opposite ends (poles) of the cell. Spindle fibers not connected to chromatids lengthen and elongate the cell. At the end of anaphase, each pole contains a complete compilation of chromosomes.The paired centromeres in each distinct chromosome begin to move apart.Once the paired sister chromatids separate from one another, each is considered a "full" chromosome. They are referred to as daughter chromosomes.Through the spindle apparatus, the daughter chromosomes move to the poles at opposite ends of the cell.The daughter chromosomes migrate centromere first and the kinetochore fibers become shorter as the chromosomes near a pole.In preparation for telophase, the two cell poles also move further apart during the course of anaphase. At the end of anaphase, each pole contains a complete compilation of chromosomes.
Do chromosomes double in mitosis?
No, chromosomes do not double in mitosis. Instead, the existing chromosomes are replicated during the S phase of the cell cycle, resulting in two identical sister chromatids for each chromosome. During mitosis, these sister chromatids are separated to form two new daughter cells with the same number of chromosomes as the parent cell.
Is DNA condensed in g2 phase?
Yes, DNA is condensed in G2 phase. During G2 phase of the cell cycle, DNA is already replicated and has undergone condensation to form distinct chromosomes. This preparation ensures that the cell is ready for mitosis.
Chromosomes move towards the middle in what phase?
Chromosomes move towards the middle during metaphase of mitosis. This is when the spindle fibers align the chromosomes along the equator of the cell.
What is phase that the chromosomes align along the spindle to prepare to separate?
Metaphase
Which phase of mitosis do chromosomes line up at the equator of the spindle?
Chromosomes line up at the equator of the spindle during the metaphase stage of mitosis. This is when the chromosomes are maximally condensed and are attached to the spindle fibers at their centromeres.
During which phase of mitosis are chromosomes attaching to the spindle?
Chromosomes attach to the mitotic spindle during the metaphase of mitosis. Part of the answer depends on how you define the stages of mitosis and not everybody does this the same way. The short answer is all of them.
What is the phase of mitosis if chromosomes attach to the spindle fibers?
The phase of mitosis when chromosomes attach to the spindle fibers is the metaphase. During metaphase, the chromosomes align along the equatorial plane of the cell before being separated and pulled to opposite poles during anaphase.
The phase of mitosis that ends when the chromosmnes stop moving?
The phase of mitosis that ends when the chromosomes stop moving is called metaphase. In metaphase, the chromosomes align along the cell's equator, and the spindle fibers attach to the centromeres of each chromosome. Once the chromosomes are properly aligned, the cell can proceed to the next phase of mitosis.
Which phase of mitosis is where the chromosomes are located at the equator of the cell?
The phase of mitosis where the chromosomes are located at the equator of the cell is called the metaphase. Here, the chromosomes align in the middle of the cell, ready to be separated during anaphase.
What are The phases of mitosis in which chromosomes line up at the equator is?
The phase of mitosis in which chromosomes line up at the equator is called metaphase. This is when the chromosomes align in the center of the cell, ready to be separated into daughter cells during anaphase.
What is the phase when chromosomes are lined up in the middle of the cell called?
The phase where chromosomes are lined up in the middle of the cell is called metaphase. During metaphase, the chromosomes align along the cell's equator before they are separated into two sets during cell division.
Which phase involves the chromosomes lining up along the equator of the cell?
Metaphase 1 is the phase of mitosis when the chromosomes line up along the equator. Homologous chromosomes line up in the middle of the cell, then spindle fibers attach onto the homologous chromosome.
What phase are chromosomes visible and attach to spindle fibers?
Visible in prophase and attach to spindle fibers in meta phase
What stage of mitosis is occurring when the chromosomes start to align at the equator of the cell?
The stage of mitosis where chromosomes start to align at the equator of the cell is called metaphase. During metaphase, the chromosomes line up along the metaphase plate, ensuring that they will be equally divided between the two daughter cells during cell division.
