Biology > QUESTIONS & ANSWERS > ANSC 4395 exam 4 Material QUESTIONS AND ANSWERS 100% CORRECT (All)
ANSC 4395 exam 4 Material QUESTIONS AND ANSWERS 100% CORRECT
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Breeding Value Correct Answer: - genetic merit An individual receives how much of its genetic makeup from each parent? Correct Answer: half Breeding value can be estimated from.... Correct Answer: a ... n individual's performance and not the performance of its relatives. Most common types of relatives used: Correct Answer: - progeny - siblings - parents Contribute little to the estimate of breeding value Correct Answer: distant relatives Addition of info. from relatives will ______ ________ confidence in an estimate of breeding value. Correct Answer: always increase Accuracy Correct Answer: - correlation between the true breeding value EBV The value of "b" Correct Answer: is a function of the heritability of the trait, the number of records available, the relationship (g) & any correlation between the animals being measured. Individual's own performance Correct Answer: single most important piece of info. for EBV. Multiple records on an individual Correct Answer: - some traits measured several times during an animal's lifetime - if a trait is measured several times, each value should be used in an estimate of breeding value Increase is most pronounced when... Correct Answer: heritability & repeatability are both low Each additional record... Correct Answer: adds to the accuracy, but adds less than the previous record. Sib Info. Correct Answer: - almost any animal will have sibs - limited number of full sibs (usually litter-bearing species) - frequently, a large number of half sibs in any herd 2 Reasons why sibs may have similarities: Correct Answer: - some fraction of their genes in common full sibs- 1/2 genes in common half sibs- 1/4 genes in common - frequently raised in similar circumstances particularly true for full sibs [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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