Genetics Quiz on Drosophila
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Questions and Answers

What is the number of chromosomes in a somatic cell of Drosophila?

  • 8
  • 16 (correct)
  • 4
  • 32

    • What will be the number of chromosomes in the gametes of Drosophila?

  • 16
  • 32
  • 8 (correct)
  • 4

    • Which pairs of nitrogenous bases bond together in DNA according to the Watson and Crick model?

  • A with T and G with C (correct)
  • A with C and T with G
  • A with G and T with C
  • C with T and A with G

    • What happens to the chromosome number when an organism forms gametes through meiosis?

    <p>It is reduced to half</p> Signup and view all the answers

    What is restored in the zygote after the fusion of male and female gametes?

    <p>Complete hereditary material</p> Signup and view all the answers

    What is the primary outcome of meiosis compared to mitosis?

    <p>Meiosis creates four daughter cells with a reduced chromosome number.</p> Signup and view all the answers

    Which statement accurately describes the difference between meiosis and mitosis?

    <p>Mitosis retains the chromosome number while meiosis reduces it to half.</p> Signup and view all the answers

    In terms of cellular division, what is a characteristic unique to meiosis?

    <p>Meiosis involves two distinct division phases.</p> Signup and view all the answers

    Why is mitosis essential for heredity control?

    <p>Mitosis ensures that the chromosome number remains constant across generations.</p> Signup and view all the answers

    What type of cells does meiosis produce, and how does it differ from mitosis?

    <p>Meiosis produces gametes, and mitosis produces somatic cells.</p> Signup and view all the answers

    What is the primary purpose of cell division in living organisms?

    <p>To allow for growth, repair, and reproduction</p> Signup and view all the answers

    What must occur before a cell can divide during the cell division process?

    <p>The genetic material must duplicate</p> Signup and view all the answers

    What can be a consequence of disruptions in the regulation of cell division?

    <p>Development of genetic abnormalities</p> Signup and view all the answers

    Why is cell division tightly regulated in organisms?

    <p>To ensure identical sets of chromosomes in daughter cells</p> Signup and view all the answers

    Which characteristic is essential for daughter cells resulting from cell division?

    <p>They must be genetically identical to the parent cell.</p> Signup and view all the answers

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