Summary: Practica Abg
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1 Chapter 1 & 2 test
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What do you want to know from a genetic point of view?
The most desirable genotype. An animals genotype provides the background for its phenotype and it is the genetic material that is passed on from parents to its offspring -
Where does the relative importance of traits depend on?
The management system -
Setting up a breeding program consists of several steps, which are those?
Recording of data on selection candidates; estimation of breeding values of selection candidates; selection and mating of individuals to produce the next generation; dissemination of the genetic improvement into the production population -
Where is a breeding goal expressed in terms of economic values commonly based on?
On a profit model of the production system -
What are economic values?
Are the partial derivates of profit with respect to the trait, v= deltaprofit/deltatrait -
2 Chapter 4 test
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How can quantitative traits be expressed?
On a scale -
How can qualitative traits be expressed?
In present or absent, there is no variation in number -
How is the phenotype of an animal determined?
By its genotype and the environment that it experiences -
What does the covariance between two random veriables measure?
Measures how much the random variables vary together -
What if two random variables are independent?
Then their covariance is zero
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