Selective Breeding

• What is another term for selective breeding?

  Artificial selection
• What should you be able to explain regarding the impact of selective breeding?

  The impact of selective breeding on food plants and domesticated animals
• What are the disadvantages of selective breeding?

  It can lead to inbreeding and inherited disorders
• What animal is shown as an example of selective breeding in the video?

  Wolf
• Why did humans find wolves useful thousands of years ago?

  They could alert to threats and provide protection
• How did humans use selective breeding to produce dogs from wolves?

  By selecting and breeding the most suitable wolves over generations
• What are four examples of selective breeding mentioned in the video?

  • Domestic dogs bred for a gentle nature
  • Wheat bred for disease resistance
  • Cows bred for increased meat or milk production
  • Plants bred for large or unusual flowers
• What is the first step in the selective breeding process for large cows?

  Selecting the largest male and female from a mixed population
• What does sexual reproduction produce in the offspring during selective breeding?

  Variation in the offspring
• What is done after the first generation of offspring is produced in selective breeding?

  Select the largest male and female offspring to breed together
• What is the goal of continuing selective breeding over many generations?

  To produce offspring that are all large
• What is a major problem associated with selective breeding?

  Inbreeding can occur
• What can inbreeding cause in selectively bred animals or plants?

  Proneness to disease or inherited defects
• What inherited disorders can develop in dog breeds due to selective breeding?

  Joint problems, heart disease, or epilepsy
• Where can students find more questions on selective breeding?

  • In the vision workbook
  • By clicking on the provided link in the video