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ANSC 4395-Breeding & Genetics FINAL Questions And Answers With Verified Solutions 100% Correct!!!
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ANSC 4395-Breeding & Genetics FINAL Questions And Answers With Verified Solutions 100% Correct!!!
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ANSC 4395-Breeding & Genetics FINALQuestions And Answers With Verified
Solutions 100% Correct!!!
Simply-Inherited Traits: - ANSWER✔✔Traits affected by only a few genes
EX: Coat color, Horns
Simply-inherited Traits:
-Qualitative or categorical - ANSWER✔✔Either/or expression
EX: Black or red, Horned or polled
Simply-inherited Traits are rarely... - ANSWER✔✔quantitative (Measured with
numbers or continuous)
EX: White spotting in cats (1-9 numerical rating)
Simply-inherited Traits are typically, affected very little by... -
ANSWER✔✔environment
EX: Chocolate lab may bleach out if left in the sun, but there is no mistaking it for
a black or yellow lab
Polygenic Traits: - ANSWER✔✔Affected by many genes with no gene having an
overriding influence
, EX: Growth rate, Milk production, Ribeye area
Polygenic Traits are typically... - ANSWER✔✔quantitative or continuous in
expression
-Phenotypes are usually described by numbers
EX: Weaning weights, Milk yield, Ribeye Area
Polygenic Traits are greatly influenced by... - ANSWER✔✔environment
-Lack of feed
-Heat/cold stress
-Training of quarter horses (speed)
Some polygenic traits have categorical phenotypes, called what? -
ANSWER✔✔Threshold Traits
-Pregnancy (pregnant or not pregnant)
-Dystocia (1-5)
-Natural gait (trotter or pacer)
-Influenced by many genes but have an either/or result
Between simply-inherited and polygenic traits, which is more important? -
ANSWER✔✔Typically, polygenic traits
-Growth rate, fertility, milk production
-Traits that determine productivity and profitability
Traits: Some markets are more sensitive to... - ANSWER✔✔simply-inherited traits
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