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5 Written questions

5 Matching questions

  1. Tandem Selection
  2. Generation Interval
  3. Accurate Measurement
  4. Selection Intensity
  5. Rate of Genetic Change
  1. a Time required to replace on generation with the next generation. Shorter interval = faster rate of genetic change.
  2. b Multiple trait selection reduces selection intensity compared to selection for a single trait.
  3. c Reduce potential measurement error, use most precise measurement as possible.
  4. d Response due to selection
  5. e Select for one trait at a time. After reaching the target for the first trait begin selecting for the next trait.

5 Multiple choice questions

  1. -not fixed, varies across populations and environments
    -used for making culling decisions
  2. Measure of the strength of the relationship between repeated records for a trait in a population.
  3. Important for individual performance
  4. Rate at which selected individuals replace existing parents in the population.
  5. Calculated using covariance, a measure of how two traits or values vary together in a population.

5 True/False questions

  1. BLUP ModelsRatio of individual performance compared to contemporary group mean.

          

  2. Producing AbilityMeasure of the strength of the relationship between P and BV for a trait in a population.

          

  3. Selection IndexMultiple trait selection reduces selection intensity compared to selection for a single trait.

          

  4. Environmental UniformityMeasure of the strength of the relationship between repeated records for a trait in a population.

          

  5. Permanent Environmental EffectNutrition, track conditions, illnesses

          

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