ANSC 4395 Breeding and Genetics Exam 3 QUESTIONS AND ANSWERS| GRADED A

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Simply Inherited Traits Correct Answer: - Traits affected by: coat color, horns - Qualitative or categorical; rarely quantitative Polygenic Traits Correct Answer: - Affected by many genes with no ge... ne having an overriding influence - Growth rate, milk production, ribeye area - Typically qualitative or continuous in expression - Greatly influences by environment - Lack of feed, heat/cold stress, training of quarter horses Threshold Traits Correct Answer: - Some polygenic have categorical phenotypes - Pregnancy, dystocia, natural gait, influenced by many genes but have an either/or result Which type of trait is more important? Correct Answer: Typically polygenic traits because those are the traits that determine productivity and profitability Test Matings Correct Answer: - Matings designed time reveal the genotype of an individual for a small number of loci - Simply inherited traits - Impossible for polygenic traits Statistic Correct Answer: Estimate of a parameter Parameter Correct Answer: A value that describes a population Population Correct Answer: All the members of a group Sample Correct Answer: Subset of a population Discrete Variable Correct Answer: Has distinct classes [Show More]

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