16. What role do centrioles play in cell division? ognie a ton eigniwollol adi to doinw 17. What role does the spindle play in cell division? himoo (5) rodil sibning (I) :sill bolling ebiturroudo 191212.8 15. How does the number of chromosomes found in the two new daughtericells compare to the number indi shromosomes found,in the mother cell? me C luest noielvib yo doum oot (A) en enigod rsvon bendqolat (C) senilquin (E) sialq liso ditur snolod ion soob univollol =dr7o sno sendersini(4) worth ognvealo (E) Sazle7 70 esmoeomonto sat se __ 18. What is the end result of mitosis and cytokinesis? Why is this so important? 70 __

16. **Centrioles play a crucial role in organizing the spindle fibers** during cell division. They are located at the poles of the cell and act as anchors for the microtubules that make up the spindle. The spindle fibers then attach to the chromosomes and help to separate them equally into the two daughter cells. It's important to note that while centrioles are crucial for spindle formation in animal cells, plant cells manage to form spindles without them.<br /><br />17. **The spindle plays a critical role in ensuring the proper segregation of chromosomes** during cell division. The spindle fibers attach to the centromeres of the duplicated chromosomes (sister chromatids). The spindle then shortens, pulling the sister chromatids apart and moving them towards opposite poles of the cell. This ensures that each daughter cell receives a complete and identical set of chromosomes.<br /><br />15. The number of chromosomes found in the two new daughter cells is **identical** to the number of chromosomes found in the mother cell. Mitosis is a process of nuclear division that ensures each daughter cell receives an exact copy of the parent cell's genetic material.<br /><br />18. The end result of mitosis and cytokinesis is **two genetically identical daughter cells** from a single parent cell. Mitosis is the division of the nucleus, while cytokinesis is the division of the cytoplasm. This process is crucial for **growth, repair, and asexual reproduction** in organisms. Growth occurs as the number of cells increases. Repair happens as damaged or worn-out cells are replaced. Asexual reproduction relies on mitosis and cytokinesis to create new individuals that are clones of the parent.<br />