Other questions in this quiz

2. What characteristic can be controlled only by environment?

  • Hair colour
  • Scars
  • Eye colour
  • Dimples

3. What characteristic can be controlled only by genes?

  • Eye colour
  • Hair colour
  • Scars
  • Piercings

4. How many sets of chromosomes does a human have?

  • 23
  • 46
  • 12
  • 50

5. Genes can exist in different versions. The different version of the same gene is called...

  • An allele
  • A base
  • A DNA strand
  • A protein

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