Studies have shown that appearance-related genes are more than those related to other parts of the body. Many genes are involved in the construction of ever-changing facial features such as facial structure, hair, eyes and skin color. Therefore, the human face has clear genetic characteristics. However, genetic diversity is also limited, only so much. There is a reason that people will have the same deck of cards in your hand at some point.
passage?
The genetic characteristics of the face are more obvious within the family members