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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.