the two main factors that influence development of humans were
Answers
Heredity: Heredity and genes certainly play an important role in the transmission of physical and social characteristics from parents to off-springs. Different characteristics of growth and development like intelligence, aptitudes, body structure, height, weight, color of hair and eyes are highly influenced by heredity.
Sex: Sex is a very important factor which influences human growth and development. There is lot of difference in growth and development between girls and boys. Physical growth of girls in teens is faster than boys. Overall the body structure and growth of girls are different from boys.
Read more: Human Growth and Development - Body, Children, Factors, and Hormones - StateUniversity.com http://education.stateuniversity.com/pages/cw64nusuk6/Human-Growth-and-Development.html#ixzz5dcVaiNtg