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If cytokinesis does not occur, the result is a multinucleated cell, as the cell’s nuclei will divide, but the cytoplasm will not separate into two distinct cells. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. What is crossing over? Explain the significance of the G0 phase in the … Read more
Spindle fibers, made of microtubules, are responsible for aligning and separating chromosomes during mitosis, ensuring that each daughter cell receives the correct number of chromosomes. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. What is crossing over? Explain the significance of the G0 phase in the cell cycle? … Read more
The G1 phase is a part of interphase where the cell grows, synthesizes proteins, and carries out its regular functions. It prepares the cell for DNA replication in the S phase. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. What is crossing over? Explain the significance of the … Read more
People with Down syndrome have 47 chromosomes because of a condition called trisomy 21, where an individual inherits an extra chromosome 21. This leads to a total of 47 chromosomes instead of the typical 46. This extra genetic material results in the developmental and physical traits associated with Down syndrome. Related Questions: Give the modifications … Read more
Haploid organisms already have a single set of chromosomes. During meiosis, these haploid organisms produce gametes (eggs or sperm) that are also haploid. This ensures that when two gametes fuse during fertilization, the resulting organism has a diploid chromosome number. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. What … Read more
Cancerous cells divide uncontrollably due to mutations in genes that regulate the cell cycle, leading to the formation of tumors and the potential for metastasis. Skin cells, although dividing rapidly, follow a regulated cycle for repair and renewal without causing harm. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. … Read more
In animal cells, cytokinesis occurs through a process called cleavage, where the cell membrane pinches inward at the center. In plant cells, cytokinesis involves the formation of a cell plate that eventually becomes the new cell wall, separating the two daughter cells. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in … Read more
In rapidly dividing cells, the G1 phase is often reduced or shortened. This allows the cell to spend less time in growth and more time in DNA replication and division, enabling faster cell proliferation. Related Questions: Give the modifications of epidermal cells for: Explain the spindle in detail. What is crossing over? Explain the … Read more
Epithelial cells of the skin divide continuously to replace the cells lost from the outer layer due to wear and tear. Skin cells undergo regular division to maintain the integrity and function of the skin barrier, and to repair any damage caused by environmental factors. Related Questions: Give the modifications of epidermal cells for: … Read more
Cell A, which continues in the cell cycle, will synthesize materials required for growth and DNA replication during the G1 and S phases, respectively. Cell B, which exits the cycle, will not proceed with these processes, as it has entered the G0 phase or stopped dividing. Therefore, the materials synthesized by cell A will support … Read more