This document defines key genetic terms and summarizes Mendel's laws of inheritance. It explains that genes determine traits which are passed from parents to offspring. Mendel discovered the laws of dominance, segregation, and independent assortment through his pea plant experiments. The document also outlines different patterns of inheritance such as dominant-recessive, incomplete dominance, co-dominance, sex-linked, and polygenic inheritance. Polygenic traits like skin color are influenced by multiple genes resulting in a continuum of phenotypes.