Broad-sense heritability of a quantitative trait includes variance caused by which genetic effects?
Correct answer: C. Additive, dominance and epistatic effects
- A. Additive effects only
- B. Environmental effects only
- C. Additive, dominance and epistatic effects
- D. Maternal effects only
Explanation
Broad-sense heritability is the proportion of phenotypic variance due to total genetic variance. It includes additive, dominance and epistatic effects, whereas narrow-sense heritability includes additive effects only.
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About Animal Breeding and Genetics
Covers genes, chromosomes, inheritance, genetic variation, mutations, heritability and quantitative traits in livestock. It also includes selection methods, breeding systems, inbreeding, crossbreeding, heterosis and evaluation of traits such as growth, milk yield, fertility and disease resistance.
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