Variation & Mutation

• What are the two types of variation observed in plants and animals?

  Genetic variation and environmental variation
• How does genetic variation occur?

  Genetic variation happens through mutation
• What is a mutation?

  A mutation is a genetic variant created by changing a sequence of bases in a gene
• What happens if a mutation occurs in a gene that produces a protein?

  The protein produced may be affected or not affected
• What are the possible outcomes of a mutation affecting a protein?

  It can cause a small change, a large change, or no change at all in the protein produced