Research most clearly suggests that personality traits are more strongly influenced by?

Genes than environment

Explanation:

Both genes and the environment are responsible for developing the personality of a person. But in many research, it indicated that genes play a vital role in the development of a personality. Genes are responsible for making the physiology and the morphology of a person.

Genes create a framework where the environment interacts with genes and shapes the behavior and personality of a person. Genes are responsible for scaffolding through which a person learns a behavior.

Memory and cognition help animal and human beings  to learn new behavior and adapt themselves in the environment. Inheritance shapes the personality as well as the behavior of human beings as well as animals.

in about winter like late november to january