Here's a breakdown:

* Polygenic: Means "many genes."

* Inheritance: Refers to the passing of traits from parents to offspring.

Therefore, polygenic inheritance signifies that a trait (like behavior) is controlled by the combined effects of multiple genes, rather than a single gene.

Here are some other terms related to the genetic influences on behavior:

* Quantitative trait loci (QTLs): These are specific regions of the genome that contribute to the variation in a complex trait, such as behavior.

* Gene-environment interaction: This refers to the interplay between genetic predispositions and environmental factors in shaping behavior.

It's important to remember that behavior is a complex trait influenced by both genetic and environmental factors. While polygenic inheritance plays a significant role, the environment also has a profound impact on how genes are expressed and ultimately influence behavior.