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What happen chromosomally and genetically to an unfertilized egg that undergoes mitosis but failed undergo cytokinesis?
When an unfertilized egg undergoes mitosis without cytokinesis, it results in a cell that has undergone nuclear division but not physical separation. This leads to a multicellular structure containing two or more nuclei, each with the same chromosomal complement as the original egg. Genetically, the chromosomes remain diploid (in species with diploid eggs), but the lack of cytokinesis prevents the formation of distinct daughter cells, leading to potential functional abnormalities. This condition can affect the egg's viability and ability to participate in fertilization or development.
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What state are the cells in at the beginning and at the end of division?
In mitotic cell division, a diploid parent cell undergoes mitosis and cytokinesis to form two new diploid daughter cells, which are genetically identical to the parent cell and each other. In meiotic cell division, a diploid parent cell undergoes meoisis and cytokinesis to form four haploid daughter cells, each of which is genetically unique.
What phase of the cell cycle does the cell give rise to two daughter cells?
The cell gives rise to two daughter cells during the mitotic phase of the cell cycle. In mitosis, the cell undergoes nuclear division followed by cytokinesis, resulting in two genetically identical daughter cells.
Describe the differences between the original cell that undergoes meiosis and the daughter cells produced by meiosis?
The original cell that undergoes meiosis is diploid, meaning it has two sets of chromosomes. The daughter cells produced by meiosis are haploid, containing only one set of chromosomes. Additionally, the original cell undergoes two rounds of cell division to produce four daughter cells, each genetically unique due to crossing over and independent assortment.
What happens when a eukaryote cell enters mitosis?
The contents of the nucleus double and condense into chromosomes which then are divided into two identical halves followed by division of the cytoplasm. The result is two new genetically identical daughter cells.
What if a cell undergoes mitosis but not cytokinosis?
If a cell undergoes mitosis but not cytokinesis, it will result in a cell with extra genetic material called polyploidy. This can lead to cell death or abnormal cell function. Polyploidy is common in plants but less so in animals due to its adverse effects on cell viability and function.
What will happen to an unfertilized egg that undergoes mitosis but not cytokinesis?
Mitosis will separate the sister-chromatids of each chromosome, and each will now be called a chromosome (or daughter-chromosome).Without cytokinesis, the mother-cell will not split into two daughter-cells. The result will be a cell with twice as many chromosomes as the mother-cell.Since an unfertilized egg (ovum) is a gamete, it must be haploid. Doubling the number of chromosomes will produce a diploid cell.
What state are the cells in at the beginning and at the end of division?
In mitotic cell division, a diploid parent cell undergoes mitosis and cytokinesis to form two new diploid daughter cells, which are genetically identical to the parent cell and each other. In meiotic cell division, a diploid parent cell undergoes meoisis and cytokinesis to form four haploid daughter cells, each of which is genetically unique.
When does the cell divide in mitosis and meosis?
The cell divides (undergoes cytokinesis) during telophase.
What happens after mitosis begins?
After mitosis begins, the cell undergoes nuclear division (prophase, metaphase, anaphase, telophase) resulting in two genetically identical daughter cells. Following this, cytokinesis occurs, where the cell's cytoplasm divides to form two separate daughter cells.
If a parent cell has 10 chromosomes to begin with, how many chromosomes will each daughter cell have after it undergoes cytokinesis?
2=20
What process occurs alongside the completion of cytokinesis?
During cytokinesis, the process of cell division, the cell undergoes the final stage of division where the cytoplasm is divided into two daughter cells. This process occurs alongside the completion of mitosis, which is the division of the cell's nucleus.
The last stage of mitosis?
The last stage of mitosis is telophase. During telophase, the daughter chromosomes arrive at opposite poles of the cell, the nuclear membrane reforms around each set of chromosomes, and the chromosomes begin to decondense back into chromatin. Ultimately, the cell undergoes cytokinesis, resulting in two daughter cells each with a complete set of chromosomes.
What takes place after telophase in the process of cell division?
After telophase in cell division, the cell undergoes cytokinesis, which is the division of the cytoplasm and organelles to form two separate daughter cells.
How many cells result from the cell cycle?
When a cell undergoes mitosis as part of the cell cycle, it will produce two genetically identical daughter cells.
What phase of the cell cycle does the cell give rise to two daughter cells?
The cell gives rise to two daughter cells during the mitotic phase of the cell cycle. In mitosis, the cell undergoes nuclear division followed by cytokinesis, resulting in two genetically identical daughter cells.
What is substage of cytokinesis?
The substage of cytokinesis is telophase, which is the final stage of cell division where the cytoplasm is divided between the two daughter cells. During telophase, the nuclear membrane reforms around the separated chromosomes and the cell undergoes final adjustments before fully splitting into two distinct cells.
If a cell undergoes mitosis but not cytokinesis the product is?
The product would be a cell with two nuclei, resulting in a binucleated cell. This can often be found in certain cancer cells and is known as a bi/multinucleated cell.
