-Polygenic inheritance occurs when one characteristic is controlled by two or more genes. Often the genes are large in quantity but small in effect.
-Examples of polygenic inheritance in nature can be found in many places: in human height, skin color, and hair color; in animal size, longevity, or disease resistance; and in plants with grain color, length of maize, or flower size. All of these traits are influenced by multiple genes and considered polygenic.
Skin is made of 3 layers the top Layer that is exposed to air is the epydermis the middle layer is the dermis the lowest and largest layer is the HYPODERMIS. This is the innermost and farthest from the surface of the skin
