The transmission of genetic information from one generation to the next generation is called inheritance.
The genetic information is transferred in the form of traits or characters from parents to the offspring.
Polygenic inheritance :
Polygenic inheritance is the quantitative inheritance in which multiple independent genes have an additive or similar effect on a single quantitative trait.
In polygenic inheritance has multiple genes which produce an equal effect.
Example: Skin color, height of a person, eye color, hair color.
Thus, polygenic inheritance is the inheritance in eye color.