Answer:
gender socialization
Explanation:
Socialization: The term "socialization" is referred to as an individual's act of adapting specific behavior according to the norms of a particular society or culture. The term involves 'the process of being social'.
Gender socialization: The term "gender socialization" is defined as a phenomenon through which a person is being taught the criteria to behave socially concerning a specific gender and it is being assigned or implemented at the time of birth based on an individual's sex phenotype.
In the question above, Grant's process of learning the roles of maleness and femaleness is gender socialization.