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5 Written questions

5 Matching questions

  1. Correlation
  2. Gene Combination Value
  3. Heritability
  4. Trait Ratios
  5. BLUP Models
  1. a Best Linear Unbiased Prediction. Enables large scale genetic evaluation.
  2. b Measure of the strength of the relationship between P and BV for a trait in a population.
  3. c Important for individual performance
  4. d Ratio of individual performance compared to contemporary group mean.
  5. e Calculated using covariance, a measure of how two traits or values vary together in a population.

5 Multiple choice questions

  1. Nutrition, track conditions, illnesses
  2. Time required to replace on generation with the next generation. Shorter interval = faster rate of genetic change.
  3. Response due to selection
  4. performance potential for a repeated trait in an individual.
  5. Multiple trait selection reduces selection intensity compared to selection for a single trait.

5 True/False questions

  1. Replacement RateRate at which selected individuals replace existing parents in the population.


  2. Environmental UniformityManage animals to keep environmental effects as similar as possible across the population.


  3. Independent Culling LevelsGenetic value as a parent. Indication of potential to contribute to offspring.


  4. Tandem SelectionSelection based on performance above a certain level.


  5. Characteristics of Heritability-influences resemblance among relatives
    -influences accuracy of selection and rate of genetic change