ANSC 4395 EXAM 1 QUESTIONS AND
MARKING SCHEME 100% LATEST UPDATE
Who is the "Father of Animal Breeding"? - CORRECT ANSWER-Robert Bakewell
Who is the "Father of Modern Animal Breeding"? - CORRECT ANSWER-Dr. Jay Lush
What is the primary goal of animal breeders? - CORRECT ANSWER-Identify animals with desirable genes
and increase the frequency of those genes.
What is the difference between trait and phenotype? - CORRECT ANSWER-trait- any observable or
measurable characteristic of an animal
phenotype- an observable category or measured level of performance for a trait in an individual
Genotypes provide the genetic background for ___. Mathematically, it is expressed as __. - CORRECT
ANSWER-phenotypes
P=G+E
Animals with similar genotypes are said to be of the same? - CORRECT ANSWER-biological type
Define biological type. - CORRECT ANSWER-a classification for animals with similar genotypes for traits of
interest ex: heavy draft types (horses)
Heat tolerance and parasite resistance are two traits that are part of a specific __. - CORRECT ANSWER-
genotype
Define interaction. - CORRECT ANSWER-a dependent relationship among components of a system in
which the effect of any one component depends on other components present in the system
ex: best health program depends on the parasites in that area
, Need to do page 8 and 9 - CORRECT ANSWER-
Page 10- The livestock industry includes: _____
End users are commercial producers. The primary products are commodities like ____. - CORRECT
ANSWER-cattle, sheep, swine, poultry
milk, meat, eggs, fiber
Commercial producers are not the end of hte production chain, such as ___. - CORRECT ANSWER-
stockers, growers, feedlot, packers
If commercial producers are end users, then the two groups above them are ___. - CORRECT ANSWER-
seedstock producers
Define seedstock. - CORRECT ANSWER-breeding stock, animals whose role is to be a parent
The job of seedstock producers is to supply ___ to commercial producers. - CORRECT ANSWER-
germplasm- which is genetic material in live animals, semen, and embryo
Seedstock producers must produce what's best for the commercial producers, considering what? -
CORRECT ANSWER-environment, management, and economics of the comm. producer
Seedstock producers historically have been breeders of __. - CORRECT ANSWER-purebreds
Define a line of a breed. - CORRECT ANSWER-group of related animals within a breed
Comm. producers are breeders like seedstock prod. They must decide; - CORRECT ANSWER-what
matings to make, which heifers to keep, which animals to sell
Unlike seedstock prod., commercial prod. decide what is best for? - CORRECT ANSWER-their enterprise
MARKING SCHEME 100% LATEST UPDATE
Who is the "Father of Animal Breeding"? - CORRECT ANSWER-Robert Bakewell
Who is the "Father of Modern Animal Breeding"? - CORRECT ANSWER-Dr. Jay Lush
What is the primary goal of animal breeders? - CORRECT ANSWER-Identify animals with desirable genes
and increase the frequency of those genes.
What is the difference between trait and phenotype? - CORRECT ANSWER-trait- any observable or
measurable characteristic of an animal
phenotype- an observable category or measured level of performance for a trait in an individual
Genotypes provide the genetic background for ___. Mathematically, it is expressed as __. - CORRECT
ANSWER-phenotypes
P=G+E
Animals with similar genotypes are said to be of the same? - CORRECT ANSWER-biological type
Define biological type. - CORRECT ANSWER-a classification for animals with similar genotypes for traits of
interest ex: heavy draft types (horses)
Heat tolerance and parasite resistance are two traits that are part of a specific __. - CORRECT ANSWER-
genotype
Define interaction. - CORRECT ANSWER-a dependent relationship among components of a system in
which the effect of any one component depends on other components present in the system
ex: best health program depends on the parasites in that area
, Need to do page 8 and 9 - CORRECT ANSWER-
Page 10- The livestock industry includes: _____
End users are commercial producers. The primary products are commodities like ____. - CORRECT
ANSWER-cattle, sheep, swine, poultry
milk, meat, eggs, fiber
Commercial producers are not the end of hte production chain, such as ___. - CORRECT ANSWER-
stockers, growers, feedlot, packers
If commercial producers are end users, then the two groups above them are ___. - CORRECT ANSWER-
seedstock producers
Define seedstock. - CORRECT ANSWER-breeding stock, animals whose role is to be a parent
The job of seedstock producers is to supply ___ to commercial producers. - CORRECT ANSWER-
germplasm- which is genetic material in live animals, semen, and embryo
Seedstock producers must produce what's best for the commercial producers, considering what? -
CORRECT ANSWER-environment, management, and economics of the comm. producer
Seedstock producers historically have been breeders of __. - CORRECT ANSWER-purebreds
Define a line of a breed. - CORRECT ANSWER-group of related animals within a breed
Comm. producers are breeders like seedstock prod. They must decide; - CORRECT ANSWER-what
matings to make, which heifers to keep, which animals to sell
Unlike seedstock prod., commercial prod. decide what is best for? - CORRECT ANSWER-their enterprise
