Meiosis Process Overview

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Questions and Answers

What is the primary purpose of crossing-over during meiosis?

  • To produce identical offspring
  • To speed up the cell division process
  • To decrease genetic variability
  • To exchange alleles between chromatids (correct)

During which phase of meiosis does crossing-over between chromatids occur?

  • Prophase I (correct)
  • Anaphase I
  • Prophase II
  • Metaphase II

What is the result of meiosis II in terms of the number of cells produced?

  • Two diploid cells
  • Four diploid cells
  • Two haploid cells
  • Four haploid cells (correct)

What is the main function of tetrads during meiosis?

<p>To exchange genetic material between homologous chromosomes (D)</p> Signup and view all the answers

What occurs during anaphase I of meiosis?

<p>Homologous chromosomes separate to opposite poles (A)</p> Signup and view all the answers

What occurs during telophase I of meiosis?

<p>Formation of nuclear membranes around chromosome clusters (B)</p> Signup and view all the answers

During prophase II of meiosis, what happens to the chromosome pairs?

<p>They separate into individual chromatids (A)</p> Signup and view all the answers

What is the outcome of anaphase II in meiosis?

<p>Chromosome pairs separate into component chromatids (D)</p> Signup and view all the answers

How many haploid nuclei are formed during telophase II of meiosis?

<p>Four (D)</p> Signup and view all the answers

What is the final outcome of cytokinesis in meiosis II?

<p>Formation of four haploid gamete cells (B)</p> Signup and view all the answers

What is the main difference between meiosis and mitosis?

<p>Meiosis involves two cell divisions producing haploid cells, while mitosis involves one cell division producing diploid cells. (C)</p> Signup and view all the answers

What is the meaning of 'diploid' in relation to chromosomes?

<p>Diploid means the cell has a full set of chromosomes, represented as 2n. (C)</p> Signup and view all the answers

Why do gametes produced by meiosis contain mixed genetic information?

<p>As a result of the combination of paternal and maternal genetic information in each gamete. (A)</p> Signup and view all the answers

What is the role of meiosis in a male organism?

<p>To generate sperm cells with half the DNA of the parent cell. (A)</p> Signup and view all the answers

How do haploid cells differ from diploid cells?

<p>Haploid cells have half the number of chromosomes as diploid cells. (C)</p> Signup and view all the answers

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