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6. What does 'genetic information' mean?

  • Sex chromosomes e.g. X or Y
  • The facts you know about genes.
  • The instructions found in genes that control your characteristics.
  • Information scientists have gathered whilst studying genes.

7. Why are some people against GM crops?

  • Because it makes them uncookable.
  • Becaus they think the chemicals can affect their systems.
  • Because they alter the taste of the plant.
  • Because it's against their religion.

8. What is genetic modification?

  • Giving sheep the ability to produce spider silk.
  • Breeding animals to get characteristics that are desirable.
  • A process in which the genes of an organism are altered, often by adding another species' genes.
  • When the animal's cells are exposed to ionising radiation.

9. State one variation of pear trees and the environmental factor that causes it.

  • Thicker roots - drought.
  • Smaller leaves - not enough oxygen.
  • Larger leaves - not enough light.
  • Thicker trunk - Being on the side of a mountain.

10. What is a zygote?

  • A sex chromosome.
  • Different versions of the same gene.
  • A gene.
  • The gene that controls your eye colour.

11. Why can't hybrid animals reproduce?

  • None of the members of the species are the same due to different parent species.
  • They are not classified animals.
  • The two parent species didn't give the same number of chromasomes.
  • None of the species members want to mate because they're funny looking.

12. Changes in genes are called:

  • Mutations.
  • Genetic Disease.
  • Inheritance.
  • Puberty.