ANSC 4395- Final QUESTIONS WITH COMPLETE ANSWERS

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selection Correct Answer: The practice of allowing certain individuals more opportunity to reproduce than others true Correct Answer: results of selection are predictable in magnitude and directi... on response to selection Correct Answer: genetic change that occurs as a result to selection heritability, selection Correct Answer: response is a function of ___________ and the _________ differential selection differential Correct Answer: the difference between the mean performance of the selected individuals and the average of the entire heard false- negative Correct Answer: if the goal to decrease the mean for a trait, then the selection differential and the response will be positive. generation interval Correct Answer: the length of time it takes to replace the members of one generation of a herd. breeding value Correct Answer: an individuals phenotype is the result of it's genetic merit and the effect of the environment Estimated Breeding Value (EBV) Correct Answer: estimated from an individuals performance and the performance of it's relatives progeny, sibs, parents Correct Answer: most common types of relatives used to calculate EBV true Correct Answer: addition of information from relatives will always increase confidence in an estimate breeding value individual's own performance Correct Answer: single most important piece of info for estimating breeding valueb repeatability Correct Answer: ___________ is the association between successive records on an individual. false- low Correct Answer: increase is most pronounced when heritability and repeatability are both high true Correct Answer: each additional record adds to the accuracy but adds less than the previous record. [Show More]

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