Sex is the biological differences between males and females e.g. chromosomes, hormones, anatomy
Gender is the psychological and cultural differences between masculine and feminine people e.g. attitudes, behaviours, social roles
The sex chromosomes for males are XY
The sex chromosomes for females are XX
A Sex-role stereotype is a a set of beliefs and preconceived ideas about what is expected or appropriate for males and females in a given society or social group
Gender dysphoria is where an individual's biologically prescribed sex does not reflect the gender they identify with
Studies on sex-role stereotypes support the learning theory of gender
Gender is heavily influenced by social norms and cultural expectations therefore is at least partly due to nurture