Answer:
0.20
Explanation:
The narrow-sense heritability, denoted by h², refers to the ratio of additive genetic variance (Va) to the total phenotypic variance (Vp).
Mathematically, it can be written as:
h² = V(A)/V(P)
Where;
V(A) = additive genetic variance
V(P) = total phenotypic variance
V(A) = V(P) × h²
Based on the information provided in the question, V(P) = 0.5, h² = 0.4
V(A) = 0.5 × 0.4
V(A) = 0.20
The additive genetic variance (VA) for ear length in these rabbits is 0.2.
