Biology > QUESTIONS & ANSWERS > ANSC 4395 Final Exam QUESTIONS WITH COMPLETE ANSWERS (All)
Quantitative traits are those that can be __________________. Correct Answer: Measured Some examples of quantitative traits Correct Answer: Weights Heights Litter size Number of eggs Racing speed... Quantitative traits are controlled by Correct Answer: Many pairs of genes Effects of _______ _________ of genes cannot be distinguished. Correct Answer: One pair The activity at any one pair of genes is ______________ to the types of gene action discussed in simply-inherited traits. Correct Answer: Identical The outward appearance of an individual. Correct Answer: Phenotype The phenotype for quantitative traits is usually a _____________________. Correct Answer: Measurement The __________ of the genetic and environmental factors which have an effect. Correct Answer: Sum Formula for phenotype Correct Answer: P = G + E Both genetic and environmental factors can be ___________________ into more explicit components. Correct Answer: Subdivided Genetic effects can be divided into Correct Answer: Additive effects Dominance effects Epistatic effects Occur when two or more genes source a single contribution to the final phenotype. Correct Answer: Additive Effect Phenomenon of one variant (allele) of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. Correct Answer: Dominance Effect The phenomenon where the effects of one gene are modified by one or several other genes at different loci. Correct Answer: Epistatic Effect Dominance is ______ always complete. Correct Answer: Not [Show More]
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