AP PSYCHOLOGY

Detailed explanation-1: -A trait, as related to genetics, is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both.

Detailed explanation-2: -Overall, genetics has more influence than parents do on shaping our personality. Molecular genetics is the study of which genes are associated with which personality traits. The largely unknown environmental influences, known as the nonshared environmental effects, have the largest impact on personality.

Detailed explanation-3: -Biological traits describe species’ physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.

Detailed explanation-4: -Genetics. Multiple variables shape our traits, genetics being one of them. In fact, a study found that 20%-60% of our temperament is determined by genetics. They also found that specific primary genes are involved in the communication of cells within the brain, which directly affect someones’ personality and behaviors.