Meiosis and Gamete Formation

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Questions and Answers

During which phase do chromosomes condense and synapsis occur?

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

Where does crossing over occur in meiosis?

  • During Metaphase I
  • During Anaphase I
  • Between sister chromatids in the tetrad
  • Between nonsister chromatids in the tetrad (correct)

In which cells does meiosis occur?

  • Nerve cells in the brain
  • Somatic cells in organs
  • Muscle cells in the heart
  • Germ cells in gonads (correct)

What is the function of meiosis?

<p>To produce gametes with half the number of chromosomes (B)</p> Signup and view all the answers

What is a karyotype?

<p>An image of an organism's chromosomes (C)</p> Signup and view all the answers

What is the main difference between cell division in prokaryotes and eukaryotes?

<p>Prokaryotes divide by binary fission, while eukaryotes divide by mitosis. (B)</p> Signup and view all the answers

What is the function of meiosis in the human life cycle?

<p>Meiosis halves the chromosome number in the gonads to produce gametes. (C)</p> Signup and view all the answers

What is the role of mitosis in the human life cycle?

<p>Mitosis is responsible for growth, development, and repair. (D)</p> Signup and view all the answers

What is the structure of chromosomes in eukaryotes?

<p>Chromosomes consist of a DNA-protein complex called chromatin. (A)</p> Signup and view all the answers

How does cell division occur in prokaryotes through binary fission?

<p>The chromosome replicates into identical loops, each attached to the plasma membrane at adjacent sites. (B)</p> Signup and view all the answers

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