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5 Written questions

5 Matching questions

  1. Repeatability
  2. Generation Interval
  3. Permanent Environmental Effect
  4. BLUP Models
  5. Contemporary Grouping
  1. a Time required to replace on generation with the next generation. Shorter interval = faster rate of genetic change.
  2. b Grouping animals that experience similar environmental effects.
  3. c Training, permanent injury, developmental programming.
  4. d Measure of the strength of the relationship between repeated records for a trait in a population.
  5. e Best Linear Unbiased Prediction. Enables large scale genetic evaluation.

5 Multiple choice questions

  1. -influences resemblance among relatives
    -influences accuracy of selection and rate of genetic change
  2. Response due to selection
  3. Genetic value as a parent. Indication of potential to contribute to offspring.
  4. Reduce potential measurement error, use most precise measurement as possible.
  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. Gene Combination ValueImportant for individual performance


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


  4. Trait RatiosCalculated using covariance, a measure of how two traits or values vary together in a population.


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