Selective Breeding

• What is selective breeding also known as?

  Artificial selection
• What is the purpose of selective breeding?

  To breed plants and animals for specific traits
• How long have humans practiced selective breeding?

  Thousands of years
• How does selective breeding occur?

  Over many generations
• What are the main steps of selective breeding for plants and animals?

  1. Decide important characteristics to select.
  2. Choose parents showing these traits.
  3. Breed the selected parents.
  4. Choose the best offspring for the next generation.
  5. Repeat the process over many generations.
• What is a benefit of selective breeding related to food production?

  It can produce more or better quality food
• How can selective breeding affect animal safety?

  It can select animals that cannot cause harm
• What is a disadvantage of reduced genetic variation in selective breeding?

  It can lead to vulnerability to diseases
• What problem can arise from unknowingly selecting a rare disease gene?

  It can lead to health issues in specific organisms
• What physical problem can occur in large dogs due to selective breeding?

  Faulty hips from improper formation
• How does selective breeding impact genetic diversity?

  It reduces genetic variation in populations
• If a farmer wants to breed cattle without horns, what method should they use?

  Selective breeding