Biology > QUESTIONS & ANSWERS > ANSC 4395 Breeding and Genetics Exam 4 QUESTIONS WITH COMPLETE ANSWERS (All)
ANSC 4395 Breeding and Genetics Exam 4 QUESTIONS WITH COMPLETE ANSWERS
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Results of selection are... Correct Answer: predictable in magnitude and direction but prediction is only as good as the information Response to Selection Correct Answer: is the genetic change that ... occurs as a result of selection must take into consideration environment Response is the function of what? Correct Answer: heritability and the selection differential Selection Differential Correct Answer: is the difference between the mean performance of the selected individuals and the average of the entire herd Generation internal Correct Answer: the length of time it takes to replace members of 1 generation in a herd symbol= L the average age of the parents when any offspring is born Breeding Value Correct Answer: An individual's phenotype is the result of its genetic merit and the effect of the environment Genetic merit is also called Correct Answer: Breeding Value An individual receives half of its genetic make up from both parents Correct Answer: Expected BV= 1/2 sire+ 1/2 dam Estimated Breeding Value Correct Answer: - actual breeding value of an individual is never known - can be estimated from an individuals performance and the performance of its relatives the clser relationship the better the estimates -progeny, full sibs, half sibs, grand parents [Show More]
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ANSC 4395 Breeding and Genetics Exam 3 QUESTIONS AND ANSWERS| GRADED A|TEST 1 AND 2|EXAM 1,3 AND 4|FINAL EXAM WITH COMPLETE 100% COREECT ANSWERS
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...
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