Quiz on DNA and Mitosis AS Biology

Here is a short quiz to test your basic knowledge of chromosomes and DNA.

Hope it helps!

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1. When one chromosome replicates two new sister ..... are formed?

  • Centrioles
  • Chromosomes
  • Chromatids
  • Centromeres
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2. How many bonds is guanine and cytosine joined by?

  • 4
  • 3
  • 2
  • 1

3. At which stage of mitosis does the nucleus disappear?

  • Prophase
  • Anaphase
  • Metaphase
  • Interphase

4. Which of these is a purine?

  • Cytosine
  • Guanine
  • Thymine

5. How many chromosomes does a human gamete contain?

  • 23
  • 46
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