This document discusses gender role development from conception through adolescence. It begins by defining gender roles and then outlines the stages of gender role development from early gestation through ages 2-6 when children begin to recognize and adopt gender roles. It describes Lawrence Kohlberg's stages of gender identity development and discusses how gender roles are influenced by families and reinforced through behavior. The document concludes by examining how gender roles change from early childhood through puberty and adolescence as physical characteristics develop and interests in masculine and feminine activities and appearances emerge.