Summary: Abg Mid Term

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  • 1 ABG mid term

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  • What does the inbreeding coefficient \(F\) represent?

    • Probability of inheriting two copies of the same allele
    • Alleles come from a single common ancestor
  • Define IBD and IBS in genetics.

    • IBD: Identical by descent
    • IBS: Identical by state, origin not considered
  • What makes animals in the same litter more similar?

    • Shared environment
    • Proportion of total phenotypic variance
  • What is inbreeding depression and when is it largest?

    • Causes decreased performance
    • Largest for traits related to fitness
  • What represents the genetic effects inherited by offspring?

    • Genetic effects:
    • - A: Breeding values
    • - D, I
  • How does genetic drift affect future generations?

    • Random change of allele frequency
    • Causes inbreeding in later generations
  • What does a steeper slope in heritability estimation indicate?

    • Steeper slope:
    • - Higher \( h^2 \)
  • What does covariance measure?

    • How two traits vary together
    • Indicates how one can predict the other
  • What is the formula to estimate A using regression when BV is unknown?

    - Regression slope: \( b = h^2 \)
  • What is the formula for profit?

    - Profit = Revenues - Costs
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