Animal Management > EXAM > ANSC 4395-Breeding & Genetics FINAL| QUESTIONS WITH COMPLETE ANSWERS (All)

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ANSC 4395-Breeding & Genetics FINAL| QUESTIONS WITH COMPLETE ANSWERS

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Simply-Inherited Traits: Correct Answer: Traits affected by only a few genes EX: Coat color, Horns Simply-inherited Traits: -Qualitative or categorical Correct Answer: Either/or expression ... EX: Black or red, Horned or polled Simply-inherited Traits are rarely... Correct 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... Correct 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: Correct Answer: Affected by many genes with no gene having an overriding influence EX: Growth rate, Milk production, Ribeye area Polygenic Traits are typically... Correct 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... Correct Answer: environment -Lack of feed -Heat/cold stress -Training of quarter horses (speed) Some polygenic traits have categorical phenotypes, called what? Correct 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 an [Show More]

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