In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Q: Question: The heritability of a personality trait:
Options: <1> It is a statistical concept to estimate the influence of phenotypes on genotypes, regardless of the environment. <2> It is generalizable to all humans, regardless of the culture and the historical moment. <3> It calls into question the ability of the environment to modify the genetic endowment. <4> It is studied, among other perspectives, from molecular genetics. <5> It refers to the direct influence of paternal and maternal genes on the behavior of an individual.
A:
4