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LIFSCI 7B XL - Animation: Meiotic Cell Division Copy Questions and Answers 100% Pass CA$14.50   Add to cart
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LIFSCI 7B XL - Animation: Meiotic Cell Division Copy Questions and Answers 100% Pass
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LIFSCI 7B XL - Animation: Meiotic Cell Division Copy Questions and Answers 100% Pass Question: What is the primary purpose of meiosis in cell biology? Answer: The primary purpose of meiosis is to produce gametes (sperm and eggs) with half the number of chromosomes as the parent cell, faci...

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  • August 16, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
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  • lifsci 7b xl animation meiotic cell division co

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LIFSCI 7B XL - Animation: Meiotic Cell
Division Copy Questions and Answers
100% Pass
Question: What is the primary purpose of meiosis in cell biology?


Answer: ✔✔ The primary purpose of meiosis is to produce gametes (sperm and eggs) with half

the number of chromosomes as the parent cell, facilitating sexual reproduction and genetic

diversity.




Question: How many stages are there in meiosis, and what are they called?


Answer: ✔✔ Meiosis consists of two main stages: Meiosis I and Meiosis II. Each stage has

several phases: Prophase, Metaphase, Anaphase, and Telophase.




Question: What occurs during Prophase I of meiosis that is crucial for genetic variation?


Answer: ✔✔ During Prophase I, homologous chromosomes undergo synapsis and form tetrads,

allowing for crossing-over or recombination, which exchanges genetic material between

chromosomes and increases genetic diversity.




Question: How does Metaphase I differ from Metaphase II in meiosis?




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, Answer: ✔✔ In Metaphase I, homologous chromosome pairs align along the metaphase plate,

whereas in Metaphase II, individual chromosomes (not pairs) align along the plate in each of the

two daughter cells.




Question: What is the significance of Anaphase I in meiosis?


Answer: ✔✔ During Anaphase I, homologous chromosomes are pulled apart to opposite poles of

the cell, reducing the chromosome number by half and ensuring that each gamete receives only

one chromosome from each pair.




Question: Describe what happens during Telophase I and Cytokinesis in meiosis.


Answer: ✔✔ In Telophase I, the chromosomes reach the poles of the cell, and the nuclear

membrane may reform around each set of chromosomes. Cytokinesis then divides the cytoplasm,

resulting in two haploid daughter cells.




Question: What is the key difference between meiosis and mitosis?


Answer: ✔✔ The key difference is that meiosis results in four non-identical haploid cells with

half the chromosome number, while mitosis produces two identical diploid cells with the same

chromosome number as the original cell.




Question: Explain the role of crossing-over in meiosis.

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