Perhaps you meant that at any given time, the heritability of a trait depends on the "state" of the population, and that heritability values can change over time. This is true, but I don't understand why you'd bring it up.
Perhaps you meant that at any given time, the heritability of a trait depends on the "state" of the population, and that heritability values can change over time. This is true, but I don't understand why you'd bring it up.