ANSC 4395 FINAL EXAM (DR. STUTTS) 2025/2026 UPDATE | QUESTIONS AND ANSWERS | SOLVED 100% CORRECT!!

ANSC 4395 FINAL EXAM (DR. STUTTS) 2025/2026
UPDATE | QUESTIONS AND ANSWERS | SOLVED 100%
CORRECT!!




Quantitative traits are those that can be __________________. Answer -
Measured


Some examples of quantitative traits Answer - Weights
Heights
Litter size
Number of eggs
Racing speed


Quantitative traits are controlled by Answer - Many pairs of genes


Effects of _______ _________ of genes cannot be distinguished. Answer - One
pair


The activity at any one pair of genes is ______________ to the types of gene
action discussed in simply-inherited traits. Answer - Identical


The outward appearance of an individual. Answer - Phenotype

, The phenotype for quantitative traits is usually a _____________________.
Answer - Measurement


The __________ of the genetic and environmental factors which have an
effect. Answer - Sum


Formula for phenotype Answer - P = G + E


Both genetic and environmental factors can be ___________________ into
more explicit components. Answer - Subdivided


Genetic effects can be divided into Answer - Additive effects
Dominance effects
Epistatic effects


Occur when two or more genes source a single contribution to the final
phenotype. 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. Answer - Dominance Effect


The phenomenon where the effects of one gene are modified by one or several
other genes at different loci. Answer - Epistatic Effect


Dominance is ______ always complete. Answer - Not


__________________ is exactly half way between the homozygotes. Answer -
Heterozygote