Week 10: Modeling Mitosis and Meiosis- Prelab ART I: Watch the video: Cell Cycle

Question

Week 10: Modeling Mitosis and Meiosis- Prelab ART I: Watch the video: Cell Cycle and Mitosis (6:19) 1. Replicated chromosomes are called 2. T/F Interphase takes longer than mitosis.True 3. List three events that occur during prophase https://www.youtube.com/watch?v woD6zvp-4E8 False 4. Where do chromosomes align in metaphase? 5. What happens during anaphase? 6. What is cytokinesis? PART II: Watch the video: Meiosis Division and cell cycle (6:45) https://www.youtube.com/watch?v czMmSBaVI41 1. What is meiosis? Which cells participate in meiosis? 2. List three differences between meiosis and mitosis 3. What is independent assortment? 4. How many unique gametes can be formed in humans? 80

Explanation / Answer

Answer 1.- During the replication of DNA happen this.

Replicated chromosomes are called sister chromatids.

They are joined by centromere.

Answer 2. TRUE

As we knoe that Interphase is longest phase during cell cycle. It takes most of timenearly 80% of total time, Hence it is longer than mitosis.

Answer 3. Three events during Prophase

a.Chromosomes become visible and the nucleolus disappears

b.The mitotic spindle forms

c.The nuclear envelope disappears

Answer4. During metaphase, the cell's chromosomes align with the middle of the cell also called Euitorial position.

Answer5. During anaphase the chromosomes move away from one another to opposite poles of the spindle. it is third stage of cell cycle.

Answer 6.Cytokinesis is a process of the cell division during which divides the cytoplasm of a parental cell into two daughter cells.

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