Genetic quality provides the possibility for individual physical and mental development, and it is also the material basis for physical and mental development. Genetic quality is plastic, and the mature mechanism of genetic quality restricts the level and stage of people's physical and mental development, which provides possibilities and limitations for the emergence of physical and mental characteristics at a certain age.

Chang Kao's famous saying: a dragon gives birth to a dragon, a phoenix gives birth to a phoenix, and a mouse's son can make holes. As trees are, so are fruits. Dogs can't spit ivory, life begins, nature is good and so on. Seeing these is the genetic factor. Genetic factors are the initial influence, and this feature is difficult to change after birth, and it follows the self from birth.

Other influences

Environment provides many possibilities for individual development, including opportunities, conditions and objects. Environment is the external objective condition of human physical and mental development, which enables the development possibility provided by heredity to be realized. It is often said that dyeing warehouse is warehouse, and dyeing yellow is yellow. Raw Huainan is orange, raw Huaibei is orange. If you live with the lame, you will learn to limp. Pengpeng is full of vitality, and it is straight if you don't help it.

White sand is nirvana, and it is black. Yesterday, Meng Mu chose a neighbor. Similar in gender, far apart, etc. School education plays a leading role in human development, which is embodied in formulating social norms for the development direction of individuals according to the basic requirements of society for individuals. School education has the special function of promoting individual development, and school education has the function of developing individual special talents and personality.