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In prophase there's just the condensation of the chromatin material into chromosomes...& nuclear membrane disappears but the chromosomes aren't clearly visible,they are better visible during metaphase..!
Wiki User
∙ 14y ago
Wiki User
∙ 10y agoDuring prophase, it is not necessarily that something becomes compacted into visible chromosomes, per se. Chromatids are joined together to become visible pairs.
Wiki User
∙ 15y agoyes
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∙ 14y agotrue! :)
Wiki User
∙ 12y agoYes.
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∙ 11y agotwo balls.
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∙ 13y agotrue
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When do chromosomes become visible in the nucleus of a cell?
During prophase, the first stage of mitosis, the chromosomes become visible as distinct structures. The nuclear envelope also now breaks down, and a spindle forms.
What happens during prophase you that does not happen during mitosis?
Prophase is one of the stages in the process of mitosis, the stages of mistosis are : 1. Prophase 2. Metaphase 3. Anaphase 4. Telophase. So metaphase, anaphase, and telophase are what happends in mitosis and does not happen in prophase. And what happens in prophase that does not in mitosis is that the sister chromatids that were formed during interphase have shortened and thickened and are now visible with a light microscope.
What stage in mitosis does the chromosomes uncoil happen?
During the telophase phase, the chromosomes begin to uncoil. There are six phases with mitosis and telophase is number four.
What happens to the nuclear membrane during prophase?
Resulting from interphase, is a genetic material in the nucleus called chromatin. The chromatin condenses in chromosomes. During prophase, the nucleoli disappear and the chromatid structure of the chromosomes becomes apparent. Since each chromosome has duplicated and now consists of two sister chromatids, the nuclear membrane dissolves so that the sister chromatids can separate. If it didn't dissolve, they'd still be held together.
What is the pairing of homologous chromosomes called?
The pairing of homologous chromosomes during prophase 1 is called crossing over. The chromosomes make a copy of themselves. The 4 cells can now twist together and exchange pieces.
Are chromosomes visible during pro-phase?
yes they are now visible during prophase
When do chromosomes become visible in the nucleus of a cell?
During prophase, the first stage of mitosis, the chromosomes become visible as distinct structures. The nuclear envelope also now breaks down, and a spindle forms.
What happens during prophase you that does not happen during mitosis?
Prophase is one of the stages in the process of mitosis, the stages of mistosis are : 1. Prophase 2. Metaphase 3. Anaphase 4. Telophase. So metaphase, anaphase, and telophase are what happends in mitosis and does not happen in prophase. And what happens in prophase that does not in mitosis is that the sister chromatids that were formed during interphase have shortened and thickened and are now visible with a light microscope.
What stage in mitosis does the chromosomes uncoil happen?
During the telophase phase, the chromosomes begin to uncoil. There are six phases with mitosis and telophase is number four.
What happens to the nuclear membrane during prophase?
Resulting from interphase, is a genetic material in the nucleus called chromatin. The chromatin condenses in chromosomes. During prophase, the nucleoli disappear and the chromatid structure of the chromosomes becomes apparent. Since each chromosome has duplicated and now consists of two sister chromatids, the nuclear membrane dissolves so that the sister chromatids can separate. If it didn't dissolve, they'd still be held together.
What is the pairing of homologous chromosomes called?
The pairing of homologous chromosomes during prophase 1 is called crossing over. The chromosomes make a copy of themselves. The 4 cells can now twist together and exchange pieces.
Name 2 things that occur during telophase 1?
The nuclear membrane and nucleolus (these had disappeared during prophase). They had originally disappeared during prophase because the chromatin condensed into chromatids and then coiled into chromosomes and needed to seperate. They reappear during telophase because the chromatid uncoils again to form chromatin. This means that the cell no longer needs to seperate so it can reform the membrane and nucleolus.
When does the nuclear envelope form?
The nuclear envelope is the nuclear membrane.
Chromosomes are called what once they have duplicated in preparation for division?
During prophase, the chromosomes in a cell's nucleus condense to the point that they can be viewed using a light microscope. ... Because each chromosome was duplicated during S phase, it now consists of two identical copies called sister chromatids that are attached at a common center point called the centrome or chromosomal duplications
Where is the chromatin in a cell?
Chromatin is always present in a cell. The term "chromatin" refers to the "relaxed" form of chromosomes when the cell is not dividing.In a nutshell:Just prior to mitosis,(the S-phase of the cell cycle), the cell makes a copy of each chromosome which is joined to the original. It is in the first step of mitosis- "Prophase" that the chromatin condenses by coiling up even tighter, and getting fatter- forming the familiar "X" we see in drawings and in our textbooks.As mitosis progresses, the fat X-shaped chromosome is pulled apart, each half going to a different side of the cell. The cell now constricts down the center, and splits in half (M stage) , forming two cells. Each cell should have the same number of chromosomes that the original "parent cell" had. The chromosomes relax again, the cell grows (G1), duplicates the chromosomes (S), prepares for mitosis (G2), then divides (M). Ad infinitum.
What has occurred at the end of Prophase?
At the end of prophase all of the chromosomes(chromatids joined at the centromere) are now floating around the cells and the spindle fibers are formed. Then you go into Metaphase where the chromosomes line up in the center of the call and the centromeres attach to the spindle fibers. Hope that helped!:)
What results in the exchange of alleles and produces now combinations of alleles?
Crossing over during prophase I of meiosis.
