MBG 4020 MIDTERM QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+

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MBG 4020 MIDTERM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
Ans: What are the basics when developing a breeding program?

Ans: -base population available
-selection goal(s)
-phenotypes needed
-EBV calculations
-EBV combinations QTL incorporation
-select best as parents, breed, get offspring



Ans: For base population issues, what should be considered to start

with?

Ans: -is your species single birth or multi-birth?
-what resources are available? (animal: number of total population? Number
of males and females? Where will this be? Inbreeding?; human:
mentors?)
-what is the breed like? what is its lifespan?
-finances?
-market?



Ans: Describe hardy-weinberg equilibrium

Ans: Allele and genotype frequencies will remain constant if we have a:
-large, random mating population
Without
-selection, mutation, or migration

, Ans: If a population is not 'large' what happens?

Ans: the good:
-cheap
-focused
-consistency
-management
-inbreeding
the bad:
-bad stuff fixed into population
the ugly:
-deleterious mutations



Ans: If homozygosity goes up, heterozygosity goes?

Ans: down



Ans: What are the assumptions with population?

Ans: -random mating
-constant population size
-constant proportion of males and females
-closed population
-equal progeny from each parent
-discrete generations
-+/minus sigmap is 'well-behaved'



Ans: How does population size matter?

Ans: -small population-->inbreeding



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