Other questions in this quiz

2. what happens to useful mutations?

  • they are passed to the fish population
  • they are passed on throughout population
  • they are used in a vaccination
  • they are destroyed

3. what are the causes of variation?

  • environmental and bacteria
  • genetic and environmental
  • genetic and economic
  • respiration and genetics

4. what is selective breeding?

  • artificial natural selection
  • choosing a breed of dog
  • being picky
  • genetic diseases

5. when do mutations occur?

  • as DNA is copied in the production of new cells
  • when hulk gets angry
  • as cells respire
  • when bacteria is added


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