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Prophase is the first phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.

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During what cell cycle phase is the spindle formed?

The spindle is formed during the prophase stage of mitosis or meiosis. In prophase, microtubules organize into a structure called the spindle apparatus, which helps separate the chromosomes during cell division.


What phase of mitosis does the nuclear envelope and the nucleus disappear and a spindle forms?

The phase of mitosis where the nuclear envelope and nucleus disappear is called prophase. During prophase, the chromatin condenses into discrete chromosomes, and the spindle apparatus begins to form, facilitating the movement of chromosomes during cell division.


Which sequence of stages in mitosis is correct?

The correct sequence of stages in mitosis is prophase, metaphase, anaphase, and telophase. During prophase, the chromatin condenses into chromosomes, the nuclear envelope breaks down, and the mitotic spindle forms. In metaphase, the chromosomes align along the metaphase plate. Anaphase is characterized by the separation of sister chromatids, which are pulled to opposite poles of the cell. Finally, in telophase, the nuclear envelope reforms, chromosomes decondense, and cytokinesis occurs, resulting in two daughter cells.


What is the difference between prophase I and prophase II of meiosis?

Prophase 1 vs Prophase 2 of meiosisDURING PROPHASE I:Crossing over happens in chromosomes where genetic information is swapped from chromosome to another at a chiasma (chiasmata for multiple crossing over sections)Cell is Diploid 46 chromosomesDURING PROPHASE II:No Crossing over at this point, as it has already happened during prophase I.Cell is Haploid 23 chromosomes


Which event occurs during prophase-?

the chromatin condenses into thick thread like structure that later becomes chromatids. [ the spindle fibers form ]

Related Questions

What structure forms in prophase along which chromosomes move?

Spindle fiber :d


What structure forms in prophase along which the chromosomes called?

The answer is Spindle Fibers.


Which structure forms in prophase along which the chomosomes move?

spindle fiber


What forms during prophase to Later attach move chromosomes?

Spindle fibers


During what cell cycle phase is the spindle formed?

The spindle is formed during the prophase stage of mitosis or meiosis. In prophase, microtubules organize into a structure called the spindle apparatus, which helps separate the chromosomes during cell division.


What are the 4 parts of mitosis and what happens to the chromosomes in each?

the four parts of mitosis are prophase,metaphase, anaphase, and telophasein prophase, the nuclear envelope breaks down and a spindle forms between to centrioles. in metaphase,the chromosomes align along the equator of the cell.in anaphase, the chromatids (duplicated chromosomes) are seperated.in telophase,the two cells begin to pull apart, but with plant cells, a cell wall is built in between the two cells.


What three things happen in the prophase?

The DNA replicates itself and forms chromosomes to prepare for the breaking apart of the nuclear membrane.


How one division of the nucleus a new spindle forms around each group of chromosomes?

telophase


What is the composition of a tetrad at the beginning of prophase you?

One pair of homologous chromosomes. One chromosome in a tetrad is paternally inherited, while the other is maternally inherited. Each chromosome consists of two chromatids.


What phase of mitosis does the nuclear envelope and the nucleus disappear and a spindle forms?

The phase of mitosis where the nuclear envelope and nucleus disappear is called prophase. During prophase, the chromatin condenses into discrete chromosomes, and the spindle apparatus begins to form, facilitating the movement of chromosomes during cell division.


When DNA becomes compacted it forms the structure?

In the very first step of mitosis, the prophase.


What distinguishes prophase 1 of meiosis from prophase of mitosis?

In Prophase I of meiosis, a tetrad is formed between 2 homologous chromosomes and their replicates. Small pieces are exchanged between the chromosomes and the tetrad breaks up. Then things happen as usual. So really the only difference is that there's genetic recombination.