The following narrow-sense heritability values were estimated for four different traits: 0.2, 0.3, 0.4, and 0.5 for traits A, B, C, and D, respectively.Which of these traits has the LARGEST dominance genetic variance?
A)Traits A and B
B)Trait C
C)Trait D
D)All of these traits are influenced by the environment in a similar manner.
E)This cannot be determined from the information given.

Question

Quizplus · Accepted Answer

Narrow-sense heritability estimates the proportion of phenotypic variance due to additive genetic variance, not dominance genetic variance. Therefore, the information provided does not allow us to determine which trait has the largest dominance genetic variance.

The Following Narrow-Sense Heritability Values Were Estimated for Four Different